Bravo fans were shocked by Karen Huger’s DUI arrest. According to a police source who spoke with RadarOnline.com, The Real Housewives of Potomac star, 60, reportedly refused a breathalyzer test after crashing her pricey Maserati into several street signs while driving in Maryland. “At approximately 11:50 p.m. Tuesday, March 19, Montgomery County Police 2nd District officers and Fire Rescue responded to the location of Oaklyn Drive and Beeman Woods Way in Potomac for a single-vehicle collision involving a 2017 Maserati,” MCPD’s public information director, Shiera D. Goff, told the outlet. “The …