Bernie Sanders is the first candidate in 17 years to campaign on the nation's largest reservation, while Clinton has a long history working on tribal issues.
We hear from NPR's Dina Temple-Raston, Financial Times Brussels bureau chief Peter Spiegel and New Europe editor Alexandros Koronakis in the aftermath of Tuesday's attacks in the Belgian capital.
The president mentioned the Brussels attacks during a historic address to the Cuban people at the Gran Teatro on Tuesday. Latin America expert Christopher Sabatini and NPR reporters provide analysis.
President Obama concludes his historic visit to Cuba Tuesday, with a televised keynote speech to the Cuban people and — what else — a baseball game. But what Obama administration really hopes is that the trip would lock in a new policy toward Cuba.
Youth Radio's Nila Venkat examines what could be a key voting bloc in this year's presidential election: young Latinos. Venkat and Amber Ly explain why some young voters identify more with issues.
Arizona Rep. David Schweikert threw his support behind Sen. Ted Cruz last week, calling him a "principled leader." Schweikert is a co-founder of the House Freedom Caucus.
Former Arizona Gov. Jan Brewer has endorsed Donald Trump in Tuesday's primary. During her tenure Brewer made stopping illegal immigration a priority, and she says Trump, understands.
Donald Trump spoke at the pro-Israel group's annual conference in Washington, D.C., Tuesday night. Earlier that day, Democrat Hillary Clinton delivered a speech which criticized Trump.