AUSTIN, Texas (AP) — With the promise of blue skies and some sizzling pop from Taylor Swift, the U.S. Grand Prix is back after all those worries about its demise. There’s even a gripping title chase on the track, too. The future of the race at the Circuit of the Americas was in question for months after the 2015 version was swamped by torrential rains that chased away crowds and nearly cost Formula One the entire weekend.