Donald Trump's Republican presidential campaign continues to lead in the polls, and this week Trump hired Sam Clovis to be his national campaign co-chairman. A week ago, Clovis worked for Republican rival Rick Perry. Clovis, a former radio talk show host and college professor, is an Iowan who has run for state treasurer and the U.S. Senate there. He Talked to NPR's Scott Simon from Sioux City, Iowa.
To hear the full conversation, click the audio link above.
On why he left Perry to work for Trump