Yes, Lieberman is still a Democrat: he's discovered the spirit of togetherness in a campfire, marshmallow toasting, sharing kind of way:
But Lieberman said Friday, in an interview with editors of several Hersam-Acorn newspapers, that he has benefited since the election from the new spirit of nonpartisanship in Washington promoted by President Barack Obama.
He jokingly referred to it as "Kumbayama," connecting "Kumbaya," the title of a spiritual song about togetherness, with the president’s name.