Medical marijuana may be legal in his home state, but the number two Democrat in the U.S. Senate says that shouldn't be a national policy.
It'll be awhile before patients with certain diseases will actually be able to use pot to ease their symptoms - the Illinois law doesn't take effect until January, and state regulators have to put rules in place.
Even so, clinics - including one in Chicago - are already beginning to open.
Of course, it defies federal law.
U.S. Senator Dick Durbin says he's not ready for the feds to change course.