Good article, worth reading the whole thing:

The Obama Doctrine
(Spencer Ackerman, The American Prospect)

Obama is offering the most sweeping liberal foreign-policy critique we’ve heard from a serious presidential contender in decades. It cuts to the heart of traditional Democratic timidity. “It’s time to reject the counsel that says the American people would rather have someone who is strong and wrong than someone who is weak and right,” Obama said in a January speech. “It’s time to say that we are the party that is going to be strong and right.”