text:  Live from NPR News in Washington, I'm Janine Herbst. In a speech from the Oval Office to the nation tonight, President Biden condemned political violence, saying the attempted assassination of former President Trump at a rally in Pennsylvania last night was a time to take stock and a time to cool down heated political rhetoric in the country. And some have a different view as to the direction our country should take. Disagreement is inevitable in American democracy. It's part of human nature.