Republican presidential candidate Sen. Marco Rubio, R-Fla. holds a rifle during a campaign stop Jan. 15, 2016, at Sturm, Ruger & Co., in Newport, N.H. Matt Rourke/AP hide caption
'It's All Politics': NPR's Weekly News Roundup
Gov. Nikki Haley, R-S.C. at Charleston, S.C., Republican presidential debate Thursday. Andrew Burton/Getty Images hide caption
Donald Trump speaks to a rally of about 1,000 people in Cedar Falls, Iowa, on Tuesday. Other candidates reach Iowa voters with small, intimate events. Jae C. Hong/AP hide caption
While the app itself is basic, it stands out in what will otherwise be a decidedly low-tech affair. Republicans often cast their ballots on slips of paper, and Democrats count their support for candidates by grouping together in corners at caucus sites. Meg Kelly/NPR hide caption
Hoping To Correct Reporting Problems, Iowans Will Report Caucus Results Via App
Tanya Lau signs in to vote at the Chinese Community Church in Washington in 2010. Voter turnout has been low among Asian-Americans in recent elections, but a new superPAC hopes to increase it. AFP/Getty Images hide caption