Nearly 100 volunteers and rescue personnel showed up on Long Island Saturday to continue the frantic search for a missing political candidate who inexplicably vanished last month. Splitting off into pairs, the volunteers set out at 7 a.m. to canvas and comb through Long Beach, where Petros Krommidas, 29, was last seen on April 23 when he went for a training swim, cops and family said. Soon after he went missing, police found the Krommidas’ locked car by the Allegria Hotel, just near the beach he had regularly visited to train for a triathlon, his family added. Krommidas – a...