KENNEBUNK — Some of the workers with neon orange vests on the side of the Maine Turnpike aren't plotting property lines. They're undercover state police officers, clocking the speeds of cars in an aggressive effort to get drivers to slow down. Crying foul won't get violators out of the resulting speeding ticket."It's not entrapment, it's just unconventional enforcement," said Lt. Randall Nichols of Troop G, the branch of the Maine State Police in charge of patrolling the turnpike.The Maine Turnpike Authority, state police, and contractors working on a project to widen the highway have tried a variety of methods...