Might Joe Biden be having second thoughts about working cooperatively with his GOP friends?

Understatement of the day:

“The increasingly personal and angry nature of the impeachment proceedings threatens to undercut a key message of Joe Biden’s campaign — that comity and civility can return to Washington after President Trump’s departure and that he’s the man to make that happen.” Matt Viser, Washington Post (“Joe Biden unloads on Lindsey Graham amid signs GOP senators will target Hunter”)

(Image: screengrab of Democratic debate in Atlanta.)