movie review THE WEIGHT Running time: 112 minutes. Not yet rated. PARK CITY, Utah — Ethan Hawke is no stranger to action thrills, having starred in “The Magnificent Seven” and “The Purge,” among other gun-toting films over a long and varied career.  But that his unforgiving 1930s badass in “The Weight” arrives so soon after he brilliantly played a bald, bisexual, sensitive, short, witty Broadway lyricist in the intimate “Blue Moon” comes off like a mesmerizing magician’s trick. Now you see me,