DENVER – “It’s not impossible.” That now is Jimmy Butler’s starting point, as the Miami Heat’s leading man put it after Friday night’s 108-95 loss to the Denver Nuggets at Kaseya Center put his team down 3-1 in the best-of-seven NBA Finals. And it’s not, as teammate Kevin Love can attest. Love’s 2016 Cleveland Cavaliers came back from such a deficit to defeat the Golden State Warriors in that season’s NBA Finals. “We know that anything can happen.