1. Chart Highlights: Taylor Swift's Likely-Next-Single 'Style' Debuts on Pop Songs

    January 12, 2015 6:30 PM EST The not-quite-confirmed next track from '1989' bows. Plus, Madonna and Reba McEntire each return to their longtime respective stomping grounds. Chart Highlights offers a sneak peek at a select group of Billboard charts every Monday. (All charts below are based on radio airplay…