Fans have been waiting six long years for Rihanna—the woman, the myth, and, of course, the legend— to return to the music industry, and now she’ll be back with a performance that could shake a football field. In February, the biggest sporting event of the year is coming to Phoenix, Arizona: the NFL Super Bowl LVII. There will be tailgating, food, face paint, some dudes running around with a football, and of course, the real reason anyone will be tuning in: a half-time performance by...