Microsoft founder Bill Gates discussed a meeting with President Trump in a recently unearthed video clip, playing up for the audience his opinions on Trump’s knowledge about medical science, among other things. In a clip aired by Chris Hayes on his MSNBC show All In, Microsoft founder Bill Gates discussed a meeting he had with President Trump while talking to staff members of his charity organization, the Gates Foundation. Gates stated that he met President Trump both before and after he was elected but began first by discussing a meeting he had with President Trump before he was elected.