Gallup's

Further, in Gallup's daily tracking on the race for the Republican nomination, Gingrich's lead evaporated quickly, but in the latest track, he is now back ahead of Romney.

Matthew Dowd: Beware 'Story Lock' Matthew Dowd 2011

Further, in Gallup's daily tracking on the race for the Republican nomination, Gingrich's lead evaporated quickly, but in the latest track, he is now back ahead of Romney.

Matthew Dowd: Beware 'Story Lock' Matthew Dowd 2011

Census figures show nearly 35 million people are in the 18-25 age group, so Gallup's 4 percentage-point drop would translate to an increase of roughly 1 million or more getting health insurance.

Survey: Significant drop in uninsured young adults 2011

Further, in Gallup's daily tracking on the race for the Republican nomination, Gingrich's lead evaporated quickly, but in the latest track, he is now back ahead of Romney.

Matthew Dowd: Beware 'Story Lock' Matthew Dowd 2011

While we did not see a drop-off in any other age group, we did see a drop in this age group, said Frank Newport, Gallup's polling director.

Survey: Significant drop in uninsured young adults 2011

In Gallup's polling, he ranks at the top of the GOP field in "positive intensity," a measure of how strongly Republican voters support or oppose the contenders.

Can GOP's new front-runner Rick Perry take the heat? 2011

"Election Day turnout will likely be very important in determining the eventual presidential winner," said Frank Newport, Gallup's editor in chief.

Marine Girds for Battle in Ohio; Swing-State Stalemate Naftali Bendavid 2012

Last week Gallup's national poll found that a startling 41 percent of Republicans oppose Walker's plan to roll back public employee bargaining rights.

The Plum Line: Dem poll: Republicans turning on Scott Walker 2011

If we look at Gallup's more complete picture of Clinton's approval rating over the entire course of his presidency, we see that it rose slightly during 1995 and continued to increase steadily for the next three years.

Polling Lessons For Obama From Oklahoma City Mark Blumenthal 2011

Further, in Gallup's daily tracking on the race for the Republican nomination, Gingrich's lead evaporated quickly, but in the latest track, he is now back ahead of Romney.

Matthew Dowd: Beware 'Story Lock' Matthew Dowd 2011