By Jennifer Shutt and Thomas McKinless[jwp-video n="1"]Since 2012, a total of 10 states have legalized recreational marijuana and support among the American public for legal pot has jumped to 66 percent. CQ Roll Call policy reporter Jennifer Shutt explains what that change means for the Cannabis Caucus, a bipartisan group of members who, alongside allies in the House and Senate, are hoping to hash out the differences between state and federal cannabis laws.