Alva Review-Courier -

DENVER (AP) — Voters on Tuesday were deciding whether to make Denver the first U.S. city to decriminalize psilocybin — the psychoactive substance in "magic mushrooms" — and add a new chapter to the city's role in shaping wider drug policy.

A citizen initiative on the ballot followed the same tack taken by marijuana activists to decriminalize pot possession in 2005 in the city. That move was followed by statewide legalization in 2012. A number of other states have since broadly allowed marijuana sales and use by adults.

Psilocybin decriminalization campaign organizers have said their only goal...