On “EWTN News Nightly” tonight: Day 3: As the Democratic National Convention continues, we take a closer look at vice presidential pick, Kamala Harris. Plus: A report on the former California Attorney General’s record with Catholics and pro-life issues. Also: What President Donald Trump is saying about the DNC. We are at the White House. And Pope Francis delivers a message on a possible coronavirus vaccine. A look at what the Holy Father said.