TRENTON -- How's that bum knee that's been hurting since your glory days on the high school football team? Or does your child the star athlete keep having trouble with her knees? What about migraines? How often do you get them? What is the latest treatment? Why do they keep recurring? Well, join today's Trentonian live-chat with Dr. Ben Wedro, who not only works in an ER but also writes a blog for Trentonian.com and for Ask Amy Daily.com. Ask Dr. Wedro anything. He'll answer everything.