Obama does not need to worry as much as past Democratic presidents about being labeled soft on national security - not after giving the order that led to the assassination of Osama bin Laden. No, his biggest concern is being labeled tone deaf on joblessness and debt.
Here is this ability to explore ideas, but with minute changes, and then look at the results. Often you get so excited about what you're doing that you think, "Oh, wow, this is just great. " And you look at it a week later and you realize you'd been excited by the act of creation, but what you've created is not really exciting when you look at it in cold blood. And so that, to me, is a valuable lesson also.