More than half of young adults are now living with their parents – the highest level in more than a century, according to the Pew Research Center. This alarming statistic, first featured in a September blog, is the result of a long-term trend that has accelerated during the economic slowdown caused by COVID-19. In this PBS NewsHour video by Catherine Rampell, young adults 24 to 39 years old who are taking refuge in their parents’ homes talked about their stalled social lives and disrupted careers – their disappointments always tinged with a sense of humor. They include Marcellus Adams, who was laid off from two jobs, as an auto mechanic and emergency room staffer, and, at 29, has never really lived on…