Meet San Francisco's 'permanent underclass' — and the ones who think they still have a shot

Getty Images; Tyler Le/BIHalfway through our interview with Kacie Barrett, a 26-year-old project manager in San Francisco, her screen froze.When she came back on 30 seconds later, she apologized for the choppy WiFi, a result of downsizing her Xfinity internet package from $120 to $40 a month, which she splits with her housemate.Though the slower internet package is a challenge when she works from home twice a week, Barrett said she's had to downsize much of her life over the past two years as th