In public, on the floor of the Senate, Barack Obama uses his physical size and strength against an older man. Senator Obama had some tough talk for Senator Joe Lieberman on the floor of the Senate over Lieberman's support for John McCain and he delivered his dressing down in a particularly insensitive and offensive (and apparently physical) way, ABC News Jake Tapper reports:Returning to the Senate after his securing the Democratic presidential nomination, Obama and Lieberman greeted each on the Senate floor in the Well as they were voting on the budget resolution.They shook hands. But Obama didn't let go, leading Lieberman -- cordially -- by the hand across the room into a corner on the Democratic side, where Democratic sources tell ABC News he delivered some tough words for the junior senator from Connecticut, who had just minutes before hammered Obama's speech before the pro-Israel group AIPAC in a conference call arranged by the McCain campaign. Watch video of the encounter on the...(Read Full Post)