The first thing to notice about state Sen. Bob Beers is his mouth-closed, impish grin, like a teenager who's just made a lippy remark to his geometry teacher. (And often, Beers has just made a smart-alecky quip.) The second thing to notice are his shoes - bulky, black and sensible, which is to say, hideous. But never mind that. Beers, who's running for governor as a Republican, actually has a reason for the grin this week. A poll done for the gaming industry by national pollster Peter Hart shows Beers trailing the front-runner, Rep. Jim Gibbons, R-Nev., by just 8...