Q&A: 'God Bless the USA' singer Lee Greenwood on Donald Trump's inauguration and Bibles

Forty years ago, Lee Greenwood released “God Bless the U.S.A.,” a patriotic anthem that has become a standard at political gatherings. He's performed the song for a number of presidents, including Ronald Reagan and George H. W. Bush. And over the years, he's formed a friendship...