Rachel Maddow chases down a viewer tip that Dr. Harold Bornstein, who signed Donald Trump's health evaluation letter, is not a fellow of the American College of Gastroenterology, despite signing his name with F.A.C.G., a credential Bornstein says "has no value" anyway.Aug. 19, 2016
UP NEXT
'It's a huge dilemma': U.S. looks for leverage against Uganda's 'kill the gays' law
04:32
It's complicated: Options limited when U.S. companies work contrary to U.S. interests
04:00
Maddow: What sets us apart as a country is fragile and worth fighting to protect
10:46
Elon Musk seen as working counter to U.S. interests in dealings with Russia, China
07:37
'Like dealing with a drug gang': Putin takes hostages to trade for captured spies and assassins
06:53
Voter wrath flares as Wisconsin GOP tries to disregard election results