"San Francisco is one of the highest housing, you know, it's crashing now, but it's one of the most expensive places to live," he says. "We're not dumb. People can get forced into homelessness because they're in a real estate market that is pricing them out." The mayor suggests making San Francisco a tourism hub for people who are bored and want to go there. 'It's actually great. It's actually the right thing to do'