Osama bin Laden\’s death not only dominated the news Monday, but also fueled a wealth of comic relief, punch lines and unapologetic crowing from TV\’s late-night hosts. In this publicity image released by NBC, Jimmy Fallon, host of \’Late Night with Jimmy Fallon,\’ portrays Donald Trump during a public address about the demise of al-Qaida leader Osama Bin Laden, during a taping of \’Late Night with Jimmy Fallon,\’ airing Tuesday, May 3, 2011 at 12:35 a.m. on NBC. “You seem like you\’re in a good mood,” said CBS\’ David Letterman, greeting his “Late Show” audience with a grin. “You folks enjoy the Osama bin Laden season finale?”Over on NBC, “Tonight Show” host Jay Leno was all smiles, too, as he declared, “It looks like President Obama has a new campaign slogan: \’Yes I Did.\’””Great news,” said Conan O\’Brien on his TBS talk show. “The world\’s most wanted man, Osama bin Laden, is dead. Which means now the official No. 1 threat to America is the KFC Double Down.””It was the first Twitter death rumor ever that turned out to be true,” cracked Jimmy Kimmel on ABC.”Bin Laden is dead!” said “Late Night” host Jimmy Fallon on NBC — “just like…