With these handy wallet-sized explainers.

A physician from Maryland is behind the attempted block.

“Though there are many parallels to the situation in states like Colorado, the District of Columbia utilizes the Federal Court systems for prosecuting many offenses and an array of law enforcement agencies maintain a significant presence due to the foot print of the Federal government in our nation’s capital. How will these agencies enforce the law?”

“We’ve got more work to do,” Wells told the crowd, adding that he thinks the decriminalization bill will make it through Congress.

The bill now heads to Congress for a 60-day review period. D.C. Delegate Eleanor Holmes Norton has pledged to defend it to her colleagues.