Sen. Cory Gardner, R-Colo., is teaming up with Sen. Elizabeth Warren, D-Mass., to take President Donald Trump up on his word to leave state marijuana industries alone.

In an interview with Yahoo News, Gardner said he met with Warren and “a number of senators on both sides of the aisle” on Wednesday to discuss a bill that will prevent the federal government from meddling in state-controlled marijuana industries. He said a draft of the bill could appear as early as later this week.

According to Gardner, Warren got involved in January, when Attorney General Jeff Sessions rescinded the Obama-era Cole Memo, which provided some protections to state marijuana industries. The two had “a number of conversations.”

“It was clear that Elizabeth Warren and I were thinking about the same kind of approach on a federalism level,” Gardner told Yahoo News.

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