INTERESTING re NBA REFEREES: "When Whites Just Don’t Get It, Part 5" - NYTimes.com

"Two economists,
Joseph Price and Justin Wolfers,
found that white N.B.A. referees
disproportionally call fouls on
black players, while black refs
call more fouls on white players.
"These biases are sufficiently
large that they affect the
outcome of an appreciable
number of games," Price and
Wolfers wrote..."
http://mobile.nytimes.com/2014/11/30/opinion/sunday/nicholas-kristof-when-whites-just-dont-get-it-part-5.html