Kathleen G. King, Pennsylvania’s recently elected Attorney General, has decided to not file charges against 5 individuals accused of taking bribes in a sting operation begun in 2011. Tyron B. Ali, a lobyist, confidential informant and criminal himself argeed in a plea deal to wear a wire as he offered money to members of the Pennsylvania House of Representatives. By the time the sting ended, 4 Philadelphia politicians and former Traffic Court Judge Thomasine Tynes had taken up to $7,000 each for the sale of their political services, for example, by “voting against a bill that would require voters to...