Sen. Elizabeth Warren is hoping to change the federal law which criminalizes the use of marijuana.
Warren has teamed up with a Republican senator from Colorado on a bill which would give states the ability to legalize marijuana.
Last week, Cambridge residents filed a lawsuit against Healthy Pharms, a medical marijuana dispensary, because they say business is bringing down their property values.
>>PREVIOUS: Businesses suing medical marijuana dispensaries over decreased property values
The lawsuit points out that federal law supersedes the state's decision to decriminalize marijuana.
If Warren's legislation goes through, that back-and-forth situation would end.