CNN US | Before MLK Jr. or Rosa Parks, there was this 15-year-old

Meet Claudette Colvin, a Civil Rights hero you’ve probably never heard of. In 1955, she was arrested for refusing to give up her seat on a bus — 9 months before Rosa Parks. This is part of our “History Refocused” series — stories from America’s past you should have heard about, but probably didn’t.  –see video