“Don’t call it a comeback. I’ve been here for years,” the legendary 20th century poet, LL Cool J, once remarked.  However, comebacks are in the fabric of all assets of auto racing, from drivers charging through the field, the return of prestigious events and the yeoman’s work of a crew thrashing to repair a car in the nick of time.  Here are the top-6 “comebacks” from the 2020 USAC National season.