We might as well pack it in, guys. A new Bloomberg poll says Obama's up by thirteen points: Obama leads Romney 53 percent to 40 percent among likely voters, even as the public gives him low marks on handling the economy and the deficit, and six in 10 say the nation is headed down the wrong track, according to the poll conducted June 15- 18. The survey shows Romney, a former Massachusetts governor, has yet to repair the damage done to his image during the Republican primary. Thirty-nine percent of Americans view him favorably, about the same as when he...