Although I am against pot prohibition, I do not see such as an issue that would strike fear into the average GOP Senator.
What will hurt the Democrats and their Marxist allies is if a few more high profile marijuana/drugs traffic accidents kill a few more innocent people.
The media has been burying the now visible trend that a lot of “drug” drunk drivers have used marijuana and other drugs which have combined into a deadly combination.
ALso, a study out of England, if I remember correctly, said that new more powerful strains of marijuana are hurting smokers and possibly killing some of them.
The Republicans should run on a campaign slogan, “God gave you your body and your mind. Why destroy them or Why would you want to destroy them”?