Glenn Kessler (journalist) neoconservative propaganda but his reporting turned out to be correct and apologies were later offered. In a lengthy article, Kessler also revealed the Bush administration's internal decision-making that led to the Iraq war. He traveled with three different Secretaries of State – Colin Powell, Condoleezza Rice and Hillary Clinton – and for several years wrote a blog about his experiences on those trips. An article he wrote on apparent tensions between Rice and Defense Secretary Donald Rumsfeld during a 2006 trip to Iraq was later denounced by Rumsfeld as "just fairly typical Washington Post stuff." Kessler joined "The Washington Post"
Known and Unknown: A Memoir the book, the title, "Known and Unknown," is a play on his famous remark in a February 12, 2002 press conference: Rumsfeld aide Keith Urbahn said pre-release on September 20, 2010, In the press conference when Rumsfeld first used the phrase, he was responding to a question by reporter Jim Miklaszewski about evidence of Iraq supplying terrorists with weapons of mass destruction. While some dismissed Rumsfeld statement as non-answer (compare Mu (negative))— not just an evasion or a misdirection, the statement has been quoted and dealt with in various blogs, books and scientific papers. Daase and Kessler (2007) agree with