Former Sheriff Margaret Mims appeared poised to win a seat to the Fresno County Board of Supervisors, carrying almost 65% of the vote and likely avoiding a runoff in the fall. In the race for the District 4 seat, Mims held an enormous lead over her second-place challenger, Alma Beltran, who was carrying about just above 12% of the vote so far. The former sheriff could not immediately be reached for comment late Tuesday. The only other local race…