While the black market problem is often assumed to be connected to recreational legalization, it is more closely associated with the 2000's Amendment 20 for medical marijuana.
"I don't think that's appropriate for me to, in effect, violate or neuter federal marijuana law," Sessions said Friday.
Nationwide legalization will make problems that have plagued Colorado marijuana businesses nonexistent for their Canadian counterparts.
Critics called for lawmakers to explore all options to pass at least some bills — including calling themselves back for a special session.
One killed bill would have allowed the use of medical marijuana to treat autism spectrum disorders.
School nurses will be able to administer medical marijuana to students, but cannabis tasting rooms won't be opening anytime soon.
New stats on the marijuana industry in 2017 are out from Colorado’s Marijuana Enforcement Division.
Cannabis remains a male-dominated industry. How much so is unclear because the legal marijuana industry is so new.
Positive tests for opiates have fallen since 2012, the year marijuana was legalized in Colorado.
March usually brings a big seasonal bump in recreational marijuana sales to Colorado.