Cannabis Could Become Legal in More States After Nov. 3 Election

Major changes to drug policies are on the ballot in half a dozen states where voters are being asked to legalize marijuana or decriminalize “magic mushrooms.”

Four states are considering joining the 11 that already allow recreational cannabis, while Mississippi and South Dakota could add to the 33 states with medical pot programs. Backers of an Oregon measure want the state to be the first in the U.S. to approve the medical use of psilocybin, better known as “magic mushrooms.”

The campaigns vary, though most supporters argue that legalization and decriminalization of pot will generate new revenue, save states money ...