Millions of Americans have been crushed by the pandemic but older workers have faced both an economy with high levels of unemployment and a virus that puts them more at risk than younger people. And once they do lose a job it can be harder to find new ones, with many older workers simply giving up the search. Paul Solman reports as part of our series, "Unfinished Business." PBS News is supported by - https://www.pbs.org/newshour/about/funders