One of the bigger results of the O'Connor retirement.
UPDATE: One of the better analyses of the whole case (cases, actually) is found at the Wall Street Journal's Law Blog. It's set up in a Q&A format.
UPDATE 2: Mona Charen has a great background of the case(s) and commentary.
UPDATE 3: WDEL's Allan Loudell wonders if this decision will affect DE schools. The professor he interviews, Bob Hayman, doesn't much like the SCOTUS opinion.