The issue focused on legislation filed by Attorney General Kamala Harris (D-Calif.), Sen. Dianne Feinstein (D-Calif.) and others that would legalize medical marijuana in California. On Wednesday, Senate Judiciary Chairman Chuck Grassley (R-Iowa) scheduled a hearing for Thursday morning to examine the bipartisan legislation.

Though legalization advocates argued that legalizing medical marijuana could reduce criminal penalties for cannabis users and alleviate pressure on federal enforcement agencies to crackdown on marijuana growers and dispensaries in states where medical marijuana has been legalized, lawmakers expressed