David Welna

Army Secretary Mark Esper is hoping to be confirmed by the Senate to be defense secretary. At his confirmation hearing, he faced tough questions about his years as a top defense contractor lobbyist.

Saying that "modern politics is trapped in a partisan death spiral," Rep. Justin Amash, the only Republican in Congress who has accused President Trump of impeachable conduct, is quitting the GOP.

Amash, a fifth-term congressman representing Michigan's 3rd Congressional District, chose Independence Day to disclose his decision.

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AUDIE CORNISH, HOST:

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In 2004, on the day he turned 29, then-Army Staff Sgt. David Bellavia charged into a darkened house in Fallujah, Iraq and fired his weapon at lurking insurgents as the squad he led scrambled outside.

"Staff Sgt. Bellavia single-handedly saved an entire squad, risking his own life to allow his fellow soldiers to break contact and reorganize when trapped by overwhelming insurgent fire."

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