2 Quotes by Pew Research Center

In recent years a smaller share of young adults has been employed than at any time since the Bureau of Labor Statistics started tracking such trends in 1948. So it's not surprising that this generation of youthful protesters has a different focus for their grievances: the economy, stupid. But notice the targets they've chosen to demonize. It's all about class, not age. It's 1% versus 99%, not young versus old. Occupy Wall Street, not Occupy Leisure World.

There's no evidence from decades of Pew Research surveys that public opinion, in the aggregate, is more extreme now than in the past. But what has changed -- and pretty dramatically -- is the growing tendency of people to sort themselves into political parties based on their ideological differences.