MIAMI BEACH, FL - JUNE 26:  Former New York City Mayor Michael Bloomberg addresses the United States Conference of Mayors at the Fountainebleau Hotel  on June 26, 2017 in Miami Beach, Florida. The mayors conference brought  mayors from across the country together to urge Americans to move past what they say is Washington's stalled partisan gridlock and instead, look locally for leadership that governs with vision and delivers results.  (Photo by Joe Raedle/Getty Images)