When it comes right down to it, there's really never been that much disparity between political parties in the U.S. Monarchy and democracy = different. Stalinism and Fascism = different. Democrats and Republicans = different emphases, but same story. It's been like this since Adams and Jefferson fought it out in 1800, and it's been like that ever since. Sure, each party's policies come out appearing differently, but at heart, they mostly agree.
Exhibit A - Iraq. Jon Stewart sheds light on the Iraq policies of Bush and Obama. It's only four minutes, and it's very enlightening. And, very funny.
(NOTE FOR PARENTS - THERE ARE SOME BLEEPED-OUT EXPLETIVES IN THIS VIDEO)
Exhibit B - Economics. BOTH parties agree on deficit spending, government bailouts, federal welfare, the devaluation of the dollar via excess printing of bills, and a host of other things. They just disagree on exactly HOW MUCH should be spent. Republicans want less, and Democrats want more. But they both still want it.
That's enough exhibits. Besides, the main reason I posted in the first place was because Jon Stewart hit the nail on the head, and made me laugh.