First it was Lyft. Next is Pinterest. Eventually, Uber, Slack, Airbnb and Postmates. All these tech companies are expected to go public this year. There's wide speculation that these IPOs are going to make San Francisco even more expensive and impossible to live here. But one writer isn't buying that. Or, at least, she doesn't think it can get any worse than it already is now. Guest: Caille Millner, San Francisco Chronicle columnist Read Caille's column, "IPOs Can't Make Things in Bay Area Worse Than They Already Are."