> The sign clearly is pro-drug,...
And if the sign was off school property and not at a school sponsored event, what authority does the school have in that case?
The 9th Circuit decision is here, btw:
http://www.ca9.uscourts.gov/ca9/newopinions.nsf/11BBADA028A095D58825712D00016761/$file/0335701.pdf?openelement
See #33