The battle to free the weed officially started Thursday when the State Board of Canvassers ruled that a group pushing a proposal to legalize marijuana for recreational use got enough signatures to qualify for the Nov. 6 ballot.

Sen. Cory Gardner, R-Colo., is teaming up with Sen. Elizabeth Warren, D-Mass., on a bill that could finally reconcile the current discrepancy between federal and state cannabis laws.

In Washington, evolution on the marijuana issue is proceeding at warp speed in political terms.

We asked every US senator what they thought of marijuana legalization. Here's what we learned.

Former Governor of Massachusetts Bill Weld says it makes a lot of sense for Republicans, like President Donald Trump, to support de-scheduling marijuana.

Politics isn't always red or blue. Lately, it has been green.

Several potential rival presidential candidates are teaming up on legislation to end the federal war on marijuana.

New legislation released Tuesday would dump the Department of Veterans Affairs’ excuse for not better researching the possible benefits of cannabis for suffering veterans, a move that could have wide-ranging ramifications for the nationwide legalization of medical marijuana.

One of Congress’s leading proponents of marijuana law reform — a key Trump ally — announced he will soon be filing new legislation in line with the president’s pledge to support changing federal cannabis laws.