Marijuana cafes
For individuals who have orders from their doctor these are legal in Portland it seems.
http://www.reuters.com/article/idUSTRE5AD06O20091114?feedType=RSS&feedName=domesticNews
However Federally, it is illegal, it seems. However, the Obama administration has stated that it does not plan to presecute humans who use medical marijuana if it is legal in their jurisdiction.
this is not written by a lawyer.