Terence Samuel argues that Democrats will only get credit for their accomplishments if they claim it:

Still, after having passed a stimulus package, health care, and financial regulation by extremely narrow margins in the Senate, Democrats must have a sense of how crucial retaining control of the Senate will be to advancing their agenda and Barack Obama‘s re-election chances.
How they do that against the backdrop of the historical disadvantage of holding the White House going into midterm elections and the persistence of the anti-incumbency narrative may be the key question of this political season. The answer is to get busy defining their opponents and to stay busy in Washington.

KEEP READING …