Hippies Riot Again In Haight AshburyRioting hippies surged through San Francisco’s Haight Ashbury district lor the second straight night last night, huriing firebombs, erecting a street barricade and breaking windows.They were dispersed after some three hours by police officers using clubs. No serious injuries were reported but there were 21 persons arrested including two women.Among those taken into custody was suspended San Francisco Police Sgt. Richard R.Bergess, 36, known to the hippies as Sergeant Sunshine. Bergess was arrested, police said, after he refused police orders to move, swore at a police officer and pushed against a police line attempting to clear the street.He was nooked for resisting arrest, failure to disperse and creating a disturbance. The others arrested were booked on similar charges —■ including resisting arrest for those who followed Sgt. Sunshine’s example and went limp after being taken into custody.The trouble began around 9 p.m. when a crowd of several hundred hippies attempted to take over the busy intersec-i-TAu a/ U a * t AHoutdoors, pummelmg them with clubs.Police said firebombs had been hurled from the roof of the house.More than 100 police officers were called to the scene, and the Department of Sanita-Thugs Get$6,100 at Loan FirmTwo nervous bandits wearing false beards held up the California Savings and Loan Co. office at 1998 Mountain Blvd. yesterday an escaped with $6,100 in cash.Danielle Delaney, 21, an employe, told police the two bandits entered through the front door, one of them wearing a trench coat. They marched to the counter and displayed small black guns.“Give me all your money and don’t try anything fancy,” the man in the trench coat told Mrs. Delaney. Then while his accomplice held open a