Hope & Change Meet the US Senate

Paul Krugman on policy change in the New Yorker:

Now that we have people whose goals I share in power, I’ve seen what it actually takes to make policy change happen... It’s pretty revelatory. It’s one thing to do opinion pieces about the way things ought to be; it’s another thing to think about, O.K., given the makeup of the U.S. Senate, given the difficulties of getting people on board and of communicating stuff to the public, what can you actually do?