Matt Damon returned to MIT, but this time he wasn't mopping the floors. The 45-year-old actor delivered his first-ever commencement address for MIT's class of 2016 Friday, and wasted no time in slamming GOP frontrunner Donald Trump. To do that Damon got pretty trippy, citing what he says is a real scientific theory that we all might just be living in a simulated reality created by more intelligent forms of life in the universe. His question: "How come we have to be in the reality that Donald Trump becomes the Republican nominee for president -- can we transfer to a...