Republican candidate Herschel Walker is hawking fake police badges to supporters in an effort to take advantage of what pundits considered a gaffe in his tight Georgia U.S. Senate race. Days after Walker whipped out an “honorary badge” during a high-stakes debate with Democratic Sen. Raphael Warnock, the retired football star’s campaign ordered 1,000 plastic replica badges that it plans to use as campaign gimmicks. Walker’s effort is to turn a widely mocked debate moment into an unlikely positive as the race heads into the home stretch. “Herschel Walker has been a friend to law enforcement and…