Peter recently urged me to report from the Pittsburgh grassroots on the Pennsylvania primary. Well, word from Frick International Studies Academy in Pittsburgh is that middle-schoolers are split on who they hope will win tomorrow, and the divisions cut across grade-level. According to my twelve-year old daughter, lunchroom polls at Frick last week reported a majority of 6th-graders support Obama; a majority of 7th-graders support Clinton. The...