I hadn't seen anything about this and wanted to let everyone know. This passed and is going to the Governor's desk. He has reportedly said he'll sign it.
They've defined smoking so that it applies to more than tobacco:
Article: http://www.oregonlive.com/politics/index.ssf/2013/06/oregon_legislature_passes_ban.html#incart_most-comments
Bill: http://gov.oregonlive.com/bill/2013/SB444/
They've defined smoking so that it applies to more than tobacco:
(b) As used in this subsection, 'smokes' means to inhale,
exhale, burn or carry a lighted cigarette, cigar, pipe, weed,
plant, regulated narcotic or other combustible substance.
Article: http://www.oregonlive.com/politics/index.ssf/2013/06/oregon_legislature_passes_ban.html#incart_most-comments
Bill: http://gov.oregonlive.com/bill/2013/SB444/