Cokie Roberts was one of the 'Founding Mothers' of NPR who helped make that network one of the premier sources of news and information in this country. She served as a congressional correspondent at NPR for more than 10 years and later appeared as a commentator on Morning Edition. In addition to her work for NPR, Roberts was a political commentator for ABC News, providing analysis for all network news programming.
There is another big presidential primary this week. Some analysts think the contest in Indiana could seal the deal for both parties' front-runners: Donald Trump and Hillary Clinton.
Michigan and Mississippi hold primaries on Tuesday. After a flurry of weekend voting, all of the key candidates picked up delegates. Steve Inskeep talks to Ben Domenech, founder of The Federalist.