Businessman and philanthropist Bill Gates is taking his mission to eradicate diseases like HIV directly to President Trump, and argues that America has a chance to cure AIDS within his lifetime. His memoir, "Source Code," is available now. #Colbert #Comedy #BillGates #SourceCode #Memoir #Books #AIDS #PresidentTrump #StephenColbert #TheLateShow Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late Show": http://bit.ly/1Puei40 Listen to "The Late Show