Researcher cites parallels to ending Prohibition.
by Denise Frisino
Whether they realize it or not, residents of Colorado and Washington have traveled back in time — 80 years, to be exact.
The first two states to decriminalize recreational marijuana are sharing in the national experience of 1933: the end of Prohibition. And the similarities are uncanny, says Prohibition-era researcher and author Denise Frisino.