Why is America currently so divided?

Current Events

Conservatives formed the "silent majority" starting with the Nixon years and stretching through the 1980s. They had a solid lock on most cultural/social issues in this period.

However, since the 90s, they're slipping. They have a hard time winning elections nationally, as the internet/social media spread, their hold on the culture loosened, the fact that places that usually skew conservatives (more rural-based communities) got absolutely gutted by free trade and the 08 recession, then mix in 20-30 years of radicalization from 24 hour media like Fox and viola
Not removing this until Mega Man 64 is released on the Wii Virtual Console. Started on: 12/1/2009
http://i.imgur.com/mPvcy.png