ATLANTA — Henry Mitchell, a single dad with a teenage son, got in a long line recently to do something he said he had never done in his 59 years of living: seek a handout of food. He had a heartbreaking amount of company. His hours as a customer service agent at Hartsfield-Jackson International Airport have been cut 25% as the pandemic deflated travel demand. When you make $11.60 an hour after years on the job, every paid hour is precious. His $900 in savings dwindled to $25. A friend lent him $30 to help pay his phone bill. So Mitchell, who shares a one-bedroom apartment in suburban East Poin...