Wow. This is very great of Billboard. Gary loves her.    "Reasons" received new life when Gaga performed it during her Super Bowl LI halftime show on Feb. 5, and adult pop programmers cite that spotlight as a turning point for the song, while also praising it on its own merits. "I feel like her performance at the halftime show gave America a reason to believe in Gaga again," says Melony Torres, WPLJ New York music director. "A lot of our listeners watched the show just to see her