Sarah Beth Ryther would love to have a car, her own apartment and eventually a child. But she thinks that seems unreachable as, like most of her co-workers at Trader Joe's in Minneapolis, she earns $16 to $20 an hour. A family "is something I definitely can't afford. I don't make enough to pay for health care," she said, let alone a better apartment — at her present home, ice sheets form in ...