PALM BEACH, Fla. — Three Palm Beach Police Department SUVs — two with lights flashing — were the only sign of law enforcement activity outside Mar-a-Lago’s closed gates Monday night as word spread that the FBI had served a search warrant at former President Donald Trump’s residence earlier in the day. Roughly 100 people had gathered on the temporary Southern Boulevard Bridge that connects Palm Beach to the mainland around 10 p.m. The protesters waved Trump and American flags as an eclectic mix of country music and disco blasted from a truck outfitted with loudspeakers and MAGA gear. Several pe...