(Reuters) - One-time boy band Boyz II Men is Vegas-bound for an extended stay at the Mirage hotel and casino, the group said on Friday. The Grammy-award winning R&B trio will begin performances on March 1, with 78 shows slated through December 2013. "We've been dreaming of this day since we performed an extended holiday show two years ago in Las Vegas," said founding member Nathan Morris in a statement, adding "we can't wait to take the stage in March and be a part of the Las Vegas community. ...