Two Staples employees and a shopping center customer are beaten by underage gang members, all over their red clothing. Two Petaluma store employees and a shopping center customer were beaten by reputed gang members, apparently for wearing red clothing, police said Tuesday. The attacks happened near the Staples office supply store on South McDowell Boulevard, where two workers and another person were assaulted. Two 17-year-olds, a boy and a girl, were later arrested. It was the second attack in Petaluma over colors in two months. In April, a 12-year-old boy was hit on the head with a skateboard after he...