The number of young Americans living with their parents is at a record high

Getty Images; Alyssa Powell/BI The kids aren't all right. Gen Zers are graduating into a daunting job market. The housing market is a mess. Typical milestones — getting married, having children, buying a home — are drifting further into the future. If there's one stat that neatly sums up the current case of arrested development, it's that nearly a fifth of 25- to 34-year-olds live with their parents or grandparents, a record high, per a recent analysis of census data by John Burns Research a...