CBS NEWS: During the 2008 elections, Joe Lieberman attended the Republican National Convention in St. Paul, Minn. and pulled a Zell Miller, delivering a rousing speech — for Lieberman, that is — supporting supporting John McCain over Barack Obama for president. Back in the old days, such an act of party disloyalty would have been automatic justification for banishment to political Siberia. But after their election victory in November, the Democratic leadership held its collective nose and cut a pragmatic deal: Lieberman, now a self-styled “independent minded Democrat” got to keep his chairmanship in the caucus, his chairmanship of the […]