Winter is approaching and many restaurants that have relied on outdoor dining to recoup some of their lost business during the pandemic will soon lose their lifeline as temperatures drop.... Restaurateurs across the country this week called on their cities' mayors to extend outdoor dining, warning them that many more closures could be imminent if they don't push for the measure, as the Delta variant compels the majority of patrons to steer clear of indoor dining rooms, new research shows. About 110,000 restaurants and bars have either temporarily or permanently closed during the pandemic, according to National Restaurant Association.... ...Specifically,...