Justin Strekal, political director of the National Organization for the Reform of Marijuana Laws, said the bill introduced this week falls within the parameters of what Trump told Gardner he would support during their discussion in April.
The bill is dubbed the Strengthening the Tenth Amendment Through Entrusting States or STATES Act.
Co-sponsored by Sen. Elizabeth Warren (D-MA) and Sen.
"I support Sen. Gardner. Gardner. I know exactly what he's doing", he told reporters when asked about the bipartisan effort. "We're looking at it".
"We are very much focused on the control and legalization of marijuana, because the current system is not working", Trudeau said last month.
But even as states legalise, marijuana has remained a risky and unstable business because of federal law making it illegal.
In January, Attorney General Jeff Sessions removed prohibitions that kept federal prosecutors from pursuing cases against people who were following pot laws in states like Colorado and MA that have legalized the drug.
The measure would amend the controlled substances act so that the act no longer applies to people who follow state laws regarding marijuana.
Prohibits the distribution of marijuana at transportation safety facilities such as rest areas and truck stops. Elizabeth Warren said in a joint interview Thursday that Russian Federation special counsel Robert Mueller should be allowed to finish his investigation into meddling during the 2016 presidential election.
Sen. Tony Dean, an Independent from Ontario, said Thursday's vote was historic and that the legislation is created to combat social ills such as high rates of youth consumption and the criminalization of those who possess the drug, particularly young indigenous people. The bill would also effectively set the minimum legal age for using marijuana at 21 nationwide.
"We just want the federal government to get out of the way", Warren said.
It aims to make marijuana businesses less vulnerable to federal crackdowns.
In January, Sessions rescinded Obama-era guidance that urged federal prosecutors to refrain from targeting state-legal marijuana operations.
MI is the only state to vote on recreational marijuana this year (similar to Colorado's existing recreational marijuana laws), while Utah, Oklahoma and Missouri will vote on legalizing medical marijuana, according to NORML, a marijuana reform advocacy group. The bill, known as the STATES Act, would not legalize marijuana nationally. "Thanks to the attorney general, more people feel the urgency of the moment in changing federal law on marijuana".
The bill, Warren argued, is a "practical" move for marijuana reform that will "respect the voters in those states".