A top spokesperson for Donald Trump claimed Thursday that Hillary Clinton has brain damage that impairs her ability to communicate. Speaking on MSNBC, Katrina Pierson alleged that Clinton has a disorder called "dysphasia," a condition brought on by brain trauma that erodes a person's ability to speak or comprehend language. "What's new are the other reports or observations of Hillary Clinton's behavior or mannerisms ... as well as her dysphasia, the fact that she's fallen, she has had a concussion, there are really interesting things out there," Pierson said. Trump has long claimed that Clinton lacks the physical stamina to...