The Northern Marianas Islands could be the first US territory to legalize weed, a North Dakota legalization initiative looks like it will probably make the ballot, Colombia's new president vows to resort to old prohibitionist drug war policies, and more.

The Oklahoma marijuana legalization initiative has far fewer signatures than organizers claimed last week, marijuana is seeping into congressional and senatorial campaigns, and more.

Some groundbreaking research begins to look for answers.

This is what Mexico is up against, and helps explain why the country’s incoming president wants to go in a different direction.

New Jersey's assembly speaker gets behind marijuana legalization, Ted Cruz attacks Beto O'Rourke as a drug legalizer, record-breaking British drug deaths spark a critique of government drug policy, and more.

Oregon's US Attorney fires a warning shot over pot, three different Missouri medical marijuana initiatives qualify for the November ballot, a House panel wants answers on opioids from three big pharmaceutical companies, and more.

New York's governor gets behind marijuana legalization, the National Conference of State Legislatures wants Congress to fix the legal pot industry's banking problems, and more.

Advice to politicians: "If you're against cannabis, the best thing to do is shut up about it. Nobody is with you."

Medical marijuana policy had a slow week, but the fight over Oklahoma's new voter-approved medical marijuana law continued, and Detroit set some regulations.

Another national poll has a solid majority for marijuana legalization, Manhattan quits prosecuting most small-time pot cases, Colombia's outgoing president takes a parting shot at drug prohibition, and more.