Viral video shows a man violently yanking the girl's arm on a park trail linking Washington, D.C., and suburban Maryland.
Caught on video.
The 26-year-old man somehow escaped with only minor injuries.
Research shows that most bikers are from low-income, minority communities, so why are they left out of bike advocacy?
Self-proclaimed cycling aficionado Peter Murray has a thing or two to say about London's infrastructure, a city that's widely known to be not particularly cyclist-friendly.