With Sen. Arlen Specter's party switch -- and Al Franken's expected seating -- President Obama has an opportunity to remove a major procedural roadblock in the Senate that his predecessors would have envied.
Karen Tumulty: "How long has it been? You have to go all the way back to 1937 to find the last American President who enjoyed what was, in practice, a filibuster-proof majority in the Senate, according to Senate Associate Historian Donald Ritchie."
Politico quotes Sen. Olympia Snowe (R-ME): "We're heading to having the smallest political tent in history, the way things are unfolding."