Recreational Marijuana States. Four states, including Alaska, Oregon, Colorado, and Washington, as well as Washington D.C. have passed ballots legalizing recreational marijuana. The amount you can possess at one time, however, varies between the states.
As of January 31, 2014, passengers traveling internationally into the U.S. and connecting to another flight are allowed to have in their carry-on baggage liquids in excess of 3.4 ounces (100 mL) that were purchased as duty-free merchandise.
Most airlines allow a child under the age of 18 to fly alone, and the rules and restrictions for what they call unaccompanied children are different for each airline. Airlines are free to enforce any rules they want, and no two airlines will have exactly the same polices.