I'm (mostly) with Kaus here.
I mean, put aside your political prejudices here, if you can, and think objectively: don't you find some of these folks--meaning "folks who seem overly obsessed about the offenses (real and imagined) levied against them or society by politicians"--a little scary?
Just to be clear here, I'm talking about folks of all political stripes. There are screwballs on the political left, too. I will say this though: if you hate Barack Obama on a personal level, or as close to a personal level as you can get given that he is the President of the United States, there's probably something wrong with you. Seriously: you may need professional help. And I don't mean that rhetorically.
The guy is by any reasonable measure the most personally likable president we've had since Ronald Reagan. Bush I was generally likable, but in that WASP-y patrician sort of way that told you he would give you the time of day only out of a sense of duty to do so. Bill Clinton was Mr. Warm-and-Fuzzy, but you always got the feeling that it was only because he got something out of it. Bush II was likable on a superficial level, but it's hard to really like a guy whose main qualification for the high station he attained was having the same first and last name of the guy who held that station just eight years before him.
Barack Obama, though...this is a guy you really have to work at to hate, and I'm speaking as a person who could potentially lose his job tomorrow if some of the things he wants to happen with health care come to pass. If you hate Barack Obama on a personal level, the problem is not him. It's you.