text: Proposition 19 , also known as the Regulate , Control & Tax Cannabis Act , was a ballot initiative on the November 2 , 2010 California statewide ballot .
simplified: California 's Proposition 19 , ( often shortened to Prop 19 ) , also known as the Regulate , Control & Tax Cannabis Act , was a ballot initiative on the November 2 , 2010 California statewide ballot .