In "Gold," People Magazine Sexiest Man Alive Matthew McConaughey has more fun playing a bald, overweight, often obnoxious character than we have watching him. The problem, as so often the case when stars produce their own vehicles, is that the movie assumes more affection for the character than it is able to generate. McConaughey plays prospector Kenny Walls (based on real-life goldbug John Felderhof -- don't Google him if you don't want spoilers). The film, directed by Stephen Gaghan...