Romney still enjoys the Republicans' traditional advantage among voters who are veterans, but the Obama campaign is confident it can chip away at that.

Republican voters are coalescing behind [Donald] Trump, but many Republican elected officials still say they can't support him.

There's a lot of anxiety about terrorism among the country at large. There's also a feeling the country has stagnated.

There was tremendous animus to President [Barack] Obama. Many of people said he was un-American, not a Christian and worse.

For Democrats, anything less than 15 net pickups will be a disappointing outcome [in presidency race].

Mitt Romney got 59 percent of the white vote in 2012, considered by many to be a high-water mark with this demographic group. Can [Donald] Trump win a higher share of white voters than Romney and get more of them to turn out?

Until he announced his immigration policy last week, Obama had the support of most Hispanic voters - but not the enthusiasm they had shown for him in 2008. That may be changing in part because of the decision not to deport young immigrants whose undocumented parents brought them here as children.