By Morgan Little September 24, 2013, 11:52 a.m. President Obama has been burned again by a hot microphone, with an offhand joke that he had to quit smoking “because I’m scared of my wife,” captured during the U.N. General Assembly. “I hope you quit smoking,” Obama told U.N. Special Rapporteur Maina Kiai during a brief exchange Monday, with the president admitting that he still chews Nicorette gum. “No, no, I haven’t had a cigarette in probably six years,” Obama said. “That’s because I’m scared of my wife.” Scared or not, Obama’s timeline, which would place his last cigarette around 2007,...