Shot 07/06/2011.## President Obama will participate in the first ever Twitter Town Hall at the White House in the East Room. Twitter co-founder and Executive Chairman Jack Dorsey will moderate a conversation between President Obama and Americans across the country about the economy and jobs.## BARACK OBAMA, US PRESIDENT## please cut sot. in: 14:56:12 . We ve set a goal to..let s ultimately get to Mars, a good pit stop is an asteroid, although we haven t actually identified the asteroid yet in case people are wondering. But the point is let s start stretching the boundaries so we re not doing the same thing over and over again, but rather, let s start thinking about the next horizon, what s the next frontier out there oc: 14:56:37 thanks! ##