LOS ANGELES (Reuters) - Fans of country singer Taylor Swift looking for new clues on the subject of her hit song, "We Are Never Getting Back Together," may want to watch the video premiering this week on MTV and sister TV network CMT, the television channel said on Tuesday. The video, in which the 22-year-old gets personal about her dating life, will debut on "MTV First: Taylor Swift" on MTV Thursday at 7:49 p.m. EDT and on country music sister channel, CMT. MTV News will air a 30-second "sneak peek" on Tuesday. ...