In this special extended interview, billionaire and Wall Street legend Leon Cooperman joins MSNBC’s Ari Melber and weighs in on President Trump’s tariffs, calling them “bad for the economy and bad for the world.” Watch more of Cooperman in his full Summit Series interview at msnbc.com/summit. (The Beat’s YouTube playlist: https://msnbc.com/ari Beat merch: www.msnbc.com/Beat5) For…