Sen. Elizabeth Warren has signed on to a letter asking the U.S. Department of Justice and the Drug Enforcement Administration for an update on the agencies' decision about whether they plan to change marijuana's classification at the federal level. Marijuana is currently classified as a "Schedule I" drug under the Controlled Substances Act.

BOSTON – Marijuana is "widely available" in Massachusetts due to decriminalization but there's little regulation of the drug, Sen. Elizabeth Warren said Thursday, explaining why she is open to supporting legalization.

BOSTON – Marijuana is "widely available" in Massachusetts due to decriminalization but there's little regulation of the drug, Sen. Elizabeth Warren said Thursday, explaining why she is open to supporting legalization.

BOSTON – A group of U.S. senators, including Elizabeth Warren and Ed Markey of Massachusetts, is still seeking answers on federal barriers to research on medical marijuana and hit U.S. agencies for a lack of coordination with states on the issue. Warren, Markey and six other senators sent a letter in July asking for information on federal agencies' efforts on medical marijuana research.

BOSTON – A group of U.S. senators, including Elizabeth Warren and Ed Markey of Massachusetts, is still seeking answers on federal barriers to research on medical marijuana and hit U.S. agencies for a lack of coordination with states on the issue. Warren, Markey and six other senators sent a letter in July asking for information on federal agencies' efforts on medical marijuana research.

BOSTON (AP) -- As marijuana shops sprout in states that have legalized the drug, they face a critical stumbling block - lack of access to the kind of routine banking services other businesses take for granted.

BOSTON (AP) -- As marijuana shops sprout in states that have legalized the drug, they face a critical stumbling block - lack of access to the kind of routine banking services other businesses take for granted.