Taylor Swift is a 'maybe' to perform at the Super Bowl, NFL commissioner says

Is Taylor Swift invited to play the Super Bowl this year, the halftime show. We would always love to have Taylor play. She is a spe special special talent.She would be welcome at any time. Is it in the works. I can't tell you anything about that.Is it a maybe. It's a maybe. Okay. Okay.We'll take a maybe. It's a maybe. ...