Chat with Dr. Gridlock today

You have answers and he has questions: Dr. Gridlock will be chatting with readers today at noon. It doesn’t matter if you have issues with trains, planes, cars, buses, sidewalks, traffic lights, tourists, escalators or Segways — bring your questions, quandries, complaints or theories to the good doctor. Head here to submit questions early.

Mark Berman is a reporter on the National staff. He runs Post Nation, a destination for breaking news and developing stories from around the country.
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