She was only 15 minutes late. That's amazing! After all, she is the First Lady of the United States. She has a busy schedule. She was scheduled to speak to the Girl Up Leadership Summit at 11:15 a.m. And by 11:27ish she was in the house. "You all look amazing," Michelle Obama told the 200-plus activists who represent some of the world's 1,000 Girl Up clubs. They'd come to Washington, D.C., to bond, to learn about girls' issues and to lobby Congress. But she also made two subtle and important points about activism. Point No. 1: Activism should be personal....