This week, we’re taking a look at some of the claims made about marijuana. Voters in Oregon and Washington will decide this November whether to legalize pot. Ballot measures in both states would allow the drug to be sold in state-licensed stores. The Oregon initiative would allow people to grow their own. One of the claims made by opponents of the legalization measures is that the marijuana of today is much more potent than the pot smoked decades ago. Salem Correspondent Chris Lehman looked into whether that’s true.