2020 Corvette Convertible revealed with retractable hardtop, $7,500 premium over coupe

If you’re still not convinced the 2020 Chevrolet Corvette is a bona fide exotic, then the car’s convertible option should do the trick. Chevy on Wednesday revealed the 2020 Corvette Convertible Stingray, the first car in Corvette nameplate history to…