This story on the First Lady taking the kids to a Broadway show in New York has an interesting element: a warning by the Secret Service that anyone taking their picture would have their cameras confiscated. Perhaps the Secret Service General Counsel could point us to where in the Constitution and federal law the Secret Service has the authority to ban photographs by the public and the confiscation of cellphones and pictures to enforce the ban. Michelle Obama – with Sasha, 8, and Malia, 11, and about a dozen other people in tow – attended the matinee performance of “Memphis”...