Clinton is looking for a big win on Saturday with the support of African-American voters. Sanders, has had a light schedule in the state, and is looking ahead to next week's Super Tuesday contests.
Republican presidential candidate Donald Trump received the endorsement of New Jersey Gov. Chris Christie Friday. Christie dropped out of the GOP race after the New Hampshire primary.
Political commentators E.J. Dionne of The Washington Post and Brookings Institution and Eliana Johnson of the National Review speak with NPR's Audie Cornish about Thursday's Republican debate, candidates' tax returns, and a preview of the Super Tuesday primaries.
CEO Steven Law tells David Greene American Crossroads has hit states hard with ads targeting Clinton's policies in ways that almost look pro-Bernie Sanders in an effort to render her unelectable.
Google and other search engines are often voters' first stop when they're thinking about supporting a candidate. That makes search engine optimization an important strategic goal for campaigns. And big-picture search trends also give poll-watchers a valuable tool to analyze in the days before a primary or caucus.
The final five Republican candidates met for a debate Thursday night in Houston — Texas is one of a dozen states voting next Tuesday in the presidential primaries.