Senate parliamentarian Alan Frumin becomes the top power broker on health reform if Democrats' 60-vote strategy fails.
Did Senator Ensign violate a lobbying ban by helping a former staffer who's wife he had had an affair with? Ethics watchdogs think so.
As a senator, Obama voted against Justices Roberts and Alito on the basis of their ideology, Republicans say. Why can't we do the same? they ask.
Success of the 9/11 commission means lawmakers often punt toughest investigations to independent bodies – despite some internal resistance.
Most of the president-elect’s picks seem poised for easy votes – with a few exceptions.
A desire to build cross-party consensus in Senate rubs up against political perils of compromise.