http://en.wikipedia.org/wiki/Crack_cocaineCrack is the freebase form of Cocaine. It is preferred for smoking (quicker intake ,less needed) because of the change in the evaporation point.
Oddly, Crack Cocaine is just the active ingredient (cocaine), powder cocaine is cocaine hydrochloride.
My original point is that no, calling it crack cocaine is not codeword for poor [insert racial slur for black people] doing stupid things, an assertion that the OP tried to make by implying bias in the article and saying the rest of the world just calls it cocaine.