Police have a tough job, especially when it comes to vice-squad details. They have to keep areas free of predators in order to allow law-abiding citizens to enjoy public places. However, they also have to take care not to entrap people in behavior that they ordinarily wouldn't commit. In Columbus, Ohio, it seems very clear they crossed that line: Robin Garrison, an off-duty 42-year-old firefighter, was walking in Berliner Park in Columbus, Ohio, in May when he saw a woman sunbathing topless under a tree. He approached her and they started talking and getting comfortable, the woman smiling and resting...