In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Q: Over the weekend, a former chairman of the joint chiefs of staff under two presidents said the U.S. is closer to nuclear war with North Korea "than we have ever been." | AP Photo CDC briefing to focus on preparing for nuclear war 
  
 The CDC wants the public to be prepared for nuclear war. 
  
 The agency has posted a notice touting a Jan. 16 briefing about the work that federal, state and local governments are doing in case of a possible nuclear strike. 
  
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 “While a nuclear detonation is unlikely, it would have devastating results and there would be limited time to take critical protection steps,” the notice states. “Despite the fear surrounding such an event, planning and preparation can lessen deaths and illness.” 
  
 Presenters include Dan Sosin, CDC's deputy director and chief medical officer in the Office of Public Health Preparedness and Response, and experts on radiation safety and environmental hazards. 
  
 The briefing comes amid rising tensions between the United States and North Korea. President Donald Trump earlier this week fired off a taunting tweet in which he bragged that his nuclear arsenal is more powerful than North Korea’s. The CDC notice preceded that message. 
  
 “North Korean Leader Kim Jong Un just stated that the ‘Nuclear Button is on his desk at all times,’” Trump tweeted. “Will someone from his depleted and food starved regime please inform him that I too have a Nuclear Button, but it is a much bigger & more powerful one than his, and my Button works!” 
  
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 Trump's tweets have alarmed policy experts who say they could exacerbate tensions. Over the weekend, Mike Mullen, former chairman of the Joint Chiefs of Staff under both former Presidents George W. Bush and Barack Obama, said the U.S. is closer to nuclear war with North Korea "than we have ever been." 
  
 CDC on Friday said that the event has been in the works since last April. 
  
 The briefing is part of the agency's monthly "Grand Rounds" sessions at its Atlanta headquarters. Upcoming briefings are mostly devoted to more conventional public health concerns, such as childhood vaccinations and hepatitis C. ||||| In what serves as a very sad commentary on the current state of geopolitical affairs, the US Centers for Disease Control will hold a special session later this month to discuss ways in which American citizens should plan and prepare for nuclear war. 
  
 The event, which the agency says it has been planning for months, is called “Public Health Response to a Nuclear Detonation” and will be held at the CDC’s Roybal Campus in Atlanta, Georgia on January 16th. The Ground Rounds session will explore what federal, state, and local governments are planning to do in the event of nuclear detonation, particularly in regards to public health programs. In grossly understated tones, the CDC says that “planning and preparation efforts for a nuclear detonation are similar and different from other emergency response planning efforts.” 
  
 If by “different” the CDC means preparing for injuries sustained by 1,000 km/hr winds, along with treating severe burns, flash blindness, and radiation sickness, then the CDC is spot on. Indeed, the demands placed on healthcare workers and the health infrastructure would be an order of magnitude greater than most disasters. In stoic manner, the CDC describes the challenges thusly: 
  
 While a nuclear detonation is unlikely, it would have devastating results and there would be limited time to take critical protection steps. Despite the fear surrounding such an event, planning and preparation can lessen deaths and illness. For instance, most people don’t realize that sheltering in place for at least 24 hours is crucial to saving lives and reducing exposure to radiation. While federal, state, and local agencies will lead the immediate response efforts, public health will play a key role in responding. 
  
 Ah, it’s the Cold War all over again. Perhaps we’ll start teaching our kids how to hide under their desks again, and regularly suffer through programming interruptions as our TV calmly assures us it’s just performing a test of the emergency broadcast system. And maybe we’ll even start to litter our parks with nuclear warning sirens—oh, wait, they’ve already started doing that in Hawaii. 
  
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 In all fairness, it’s obviously better to plan for a nuclear disaster than not. In this case, the CDC is holding a teaching session that will bring together doctors, nurses, pharmacists, veterinarians, health education specialists, lab scientists, and others. As a CDC spokesperson told STAT, “CDC participants felt it would be a good way to discuss public health preparedness and share resources with states and other partners. State and local partners also have expressed interest in this topic over time.” Topics to be discussed include “Preparing for the Unthinkable,” “Public Health Resources to Meet Critical Components of Preparedness,” and “Roadmap to Radiation Preparedness.” 
  
 The CDC held a similar event back in 2010, so it’s something the agency does on occasion. But given the escalating rhetoric between North Korea’s Kim Jong Un and US President Donald Trump, the event seems eerily timely. And necessary. 
  
 [CDC] ||||| CLOSE The Centers for Disease Control is holding a briefing on January 16 to detail what a public health response to a nuclear detonation would look like. Buzz60 
  
 The Centers for Disease Control and Prevention, which is based in Atlanta, has been under scrutiny because of a series of high-profile lab incidents. (Photo: Jessica McGowan, Getty Images) 
  
 As tensions between North Korea and the U.S. rise, the Centers for Disease Control and Prevention want Americans to be prepared in case of a nuclear event. 
  
 The agency scheduled a briefing Jan. 16 titled "Public Health Response to a Nuclear Detonation," where federal, state and local officials will detail what preparations have been made in case of such an event. 
  
 "While a nuclear detonation is unlikely, it would have devastating results and there would be limited time to take critical protection steps," reads an excerpt from the CDC's website detailing the briefing. "For instance, most people don’t realize that sheltering in place for at least 24 hours is crucial to saving lives and reducing exposure to radiation." 
  
 DOCTOR: Get 'as far away from the roof and the walls as possible' 
  
 HOW TO:Survive a nuclear attack, according to Japanese manga 
  
 The briefing includes experts in radiation studies and public health officials who will explain how the U.S. has prepared for a nuclear event. 
  
 The timing of the briefing arrives as Americans grow concerned over heated rhetoric between the U.S. and North Korea. In October, a USA TODAY/Suffolk University poll found 56% of Americas disapproved of President Donald Trump's handling of North Korea. A December poll from YouGov found nearly half of Americans believe it's very or fairly likely the U.S. will use military force against North Korea. 
  
 Both polls came before the most recent spat between Trump and North Korean leader Kim Jong Un: During his annual New Year's Day speech, Kim said he had a nuclear button on his desk, with the U.S. mainland within the range of his weapons. 
  
 Trump responded a day later, saying he also had a button, but it was "bigger & more powerful." 
  
 PREPPERS:Costco now sells $1,000 disaster food kit 
  
 Follow Brett Molina on Twitter: @brettmolina23. 
  
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A: 
In what Gizmodo calls "a very sad commentary on the current state of geopolitical affairs," the Centers for Disease Control and Prevention will later this month hold a briefing on the government's preparedness for a nuclear attack on US soil. The presentation, called "Public Health Response to a Nuclear Detonation," will be held Jan. 16 and feature officials from all levels of government discussing US preparations for a nuclear blast, USA Today reports. It will also feature information from experts in radiation studies. "While a nuclear detonation is unlikely, it would have devastating results and there would be limited time to take critical protection steps," Politico quotes the CDC as stating on a website for the briefing. “Despite the fear surrounding such an event, planning and preparation can lessen deaths and illness.” Topics for a teaching session being held along with the briefing include "Preparing for the Unthinkable" and "Roadmap to Radiation Preparedness." The briefing comes amid escalating tensions with North Korea. Last weekend, a former chairman of the joint chiefs of staff said nuclear war with North Korea is closer "than we have ever been." The CDC held a similar event in 2010.