Fans of the Rankin-Bass animated Christmas classic The Year Without a Santa Claus will remember the characters Heat Miser and Snow Miser. This holiday season, the quarreling siblings are back in ABC Family’s new original animated special A Miser Brothers’ Christmas, which premieres Saturday, Dec. 13 at 8 p.m. (ET/PT). Mickey Rooney returns as the voice of Santa Claus and George S. Irving reprises the role of Heat Miser. The debut is part of the network’s “25 Days of Christmas” programming event. Santa’s new chief mechanic, Tinsel, has created a speedy, new high-tech sleigh for Christmas, but North Wind has...