later that it was the sla. >> patty hearst was kidnapped by a small, violent revolutionary group called the sla. to understand the sla, you have to understand berkeley in 1973. and to understand berkeley in 1973, you have to understand the '60s and what san francisco became. if you were radical in the '60s and early '70s, if you wanted to change the world, you were at least giving a passing thought to going to berkeley. it had become a huge melting pot for young people who wanted a brighter, more beautiful future. >> there was so much turmoil in those years. there had been the civil rights movement and then the anti-war movement. and young people were rebellious, they were protesting and they had a sense of power that we can make a difference, that we could end the war in vietnam.