On March 2, 1955, Colvin, only 15, made her principled stand (well, her principled sit) against the unjust law that black people had to cheerfully give up their seat on a city bus if any random white person - young or old, fat or skinny, knock-kneed or footloose - got on board the bus and wanted to sit in a seat already occupied by what they thought of, in their nicer moments at least, as a negro. And when this wisp of a girl, 15, thin, and having just come from school where she was learning more about the evils of segregation than she was in a mind for that day was asked to move so a white person could have her seat, she said something like "No, that violates my constitutional rights." Which is quite the argument coming from a small package containing a meager 14 vowels and 19 of the othe