Sen. Bernie Sanders (I-VT) appeared on CNN's "State of the Union" with Jake Tapper to discuss an array of issues. One of the topics that came up was Medicare For All.Tapper played a clip of former Vice President Joe Biden in Michigan talking about how it's impossible to implement Medicare For All without raising the taxes on the middle class."Well, I find that people say they're for Medicare For All but they're not going to tax the middle class because we don't need to do that. Come on," Biden said. "What is this, a fantasy world here?"Sanders finally admitted what...