President Trump told reporters Sunday that he believes he doesn't need congressional approval for potential military actions in Venezuela amid rising tensions with the country, but would let Congress know about it. "We don't have to get their approval, but I think letting them know is good," he said. "The only thing I don't want them to do is leak information that's very important and confidential and may put our military at risk." Trump also instructed Secretary of State Marco Rubio and other s

What if your immune system started attacking you, instead of protecting you? The Associated Press is looking at autoimmune diseases, the immune system's dark side. | AP