President Trump fires back at a reporter who questioned why he used a mail-in ballot. #fox #media #breakingnews #us #usa #new #news #breaking #foxnews #trump #donaldtrump #politics #political #politicalnews #government #election #mailinballot #voting #reporter #press #whitehouse #campaign #america #leadership #debate #speech Don’t just watch Fox News—be part of it. Become a Fox News Patriot today. https://youtube.com/foxnews/join Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News