Tagged: GOP

There hadn't been any doubt about it for several weeks, but with his win Tuesday in the Texas primary Mitt Romney has "clinched the Republican presidential nomination," according to The Associated Press.

Fox News reports that "senior Gingrich aides" say former House Speaker Newt Gingrich "plans to formally suspend or end his presidential campaign next Tuesday."

CNN writes that "sources close to Newt Gingrich say he will end his bid for the GOP presidential nomination next week."

(Revised at 2:03 pm ET with new Ron Paul-Pennsylvania material.)

The contest for the Republican presidential nomination may be over for all practical purposes, with Mitt Romney the all-but-certain GOP nominee. But that doesn't mean there's nothing of interest in Tuesday's primaries.

Voters are going to polls in Pennsylvania, Rhode Island, Connecticut, Delaware and New York, though turnout is expected to be low. Still, here are four things to watch for.