The percentage of Americans who say the initial decision to use force in Afghanistan was the right decision has fallen from 64% at the beginning of the year to 56% on the eve of Obama’s speech.

From 1998 to 2008, the share of Republicans saying they regularly watch Fox News rose 22 percentage points, from 14% to 36%.

Internet users are 55% more likely to have a non-family member with whom they can discuss important matters.

Fully 58% of voters who plan to vote Republican next fall are very enthusiastic about voting.

Just over a third of Americans rate their personal finances in excellent or good shape, a 17-year low.

A third of those who say there is no solid evidence of global warming still consider it a serious problem.