Sounds like you might need to look at some data.
Here is some demographic data from the Bureau of the Census. It's from the 2004 election and while there are more recent data from 2006, 2006 wasn't a presidential election like this one. Anyway, I encourage you to take a look at this demographic data first:
I Lub My GummintJust a quick Google turned up this series of comments addressing the questions you have. Since the entire issue of "who is liberal, who is conservative, and who are the swing voters?" is a complex one, there are likely dozens of answers. You're bringing up some great questions, though, and you might want to explore on your own to find the answers you're looking for.
Some AnswersDon't slit your wrists just yet, jendf! There is always the next election!
Historically, the sitting prez tends to lose some support in the House during the mid-term elections (2010). And since Dear Leader doesn't have a Supermajority (needs 60 Dem Senators for that, which didn't happen), he will have a tougher fight to enact his "visions" than perhaps he bargained for.