I couldn’t find a single person at the State of Marijuana Conference ’16 on the Queen Mary this week willing to predict anything other than success for Proposition 64, the measure that could legalize cannabis in California for adult recreational use.

I couldn’t find a single person at the State of Marijuana Conference ’16 on the Queen Mary this week willing to predict anything other than success for Proposition 64, the measure that could legalize cannabis in California for adult recreational use.

Californians are set to decide whether to make recreational marijuana use legal, as other Western states have done, after the California Secretary of State's office said on Tuesday the issue could be put to voters in the November ballot.

Californians are set to decide whether to make recreational marijuana use legal, as other Western states have done, after the California Secretary of State's office said on Tuesday the issue could be put to voters in the November ballot.

Marijuana policy is often a sticky subject in California, but that may change with the nomination of the state's first ever Marijuana Czar.

Marijuana policy is often a sticky subject in California, but that may change with the nomination of the state's first ever Marijuana Czar.

Gov. Jerry Brown revealed a proposal last week to simplify statewide rules that govern medical and recreational marijuana sales and production, in anticipation of the launch of the recreational cannabis industry in California in 2018.

Gov. Jerry Brown revealed a proposal last week to simplify statewide rules that govern medical and recreational marijuana sales and production, in anticipation of the launch of the recreational cannabis industry in California in 2018.

A proposed, 15 percent tax on medical marijuana sales would push the government's take on retail pot in Los Angeles to more than one fourth of the advertised price.

SACRAMENTO, Calif. -- California's largest organization of practicing physicians, the California Medical Association, announced Monday that it is backing a proposed 2016 ballot initiative to legalize the recreational use of marijuana.

SACRAMENTO, Calif. -- California's largest organization of practicing physicians, the California Medical Association, announced Monday that it is backing a proposed 2016 ballot initiative to legalize the recreational use of marijuana.

California is poised to legalize marijuana for adults 21 and over, according to the results of a survey released Wednesday from the non-partisan, non-profit Public Policy Institute of California.

California is poised to legalize marijuana for adults 21 and over, according to the results of a survey released Wednesday from the non-partisan, non-profit Public Policy Institute of California.

There are increasing signs that 2016 might just be the year the largest state in the nation legalizes recreational marijuana.

There are increasing signs that 2016 might just be the year the largest state in the nation legalizes recreational marijuana.

Attorney General Kamala Harris called the legalization of marijuana "inevitable" Tuesday.

Six years ago, the California Democratic Party joined most of its elected leaders in declining to endorse the marijuana legalization initiative on the fall ballot.

California’s lieutenant governor fully supports legalizing recreational pot.

California’s lieutenant governor fully supports legalizing recreational pot.

California was the first state to allow medical marijuana. Now, two decades later, voters are expected to be asked whether to legalize recreational use of the drug.

California was the first state to allow medical marijuana. Now, two decades later, voters are expected to be asked whether to legalize recreational use of the drug.

And if California votes to legalize, other states will follow.

And if California votes to legalize, other states will follow.

Mexican President Enrique Pena Nieto, who has proposed liberalizing his country's drug laws, privately asked California lawmakers visiting Mexico about a state measure to legalize recreational marijuana, a state legislator said on Thursday.

Mexican President Enrique Pena Nieto, who has proposed liberalizing his country's drug laws, privately asked California lawmakers visiting Mexico about a state measure to legalize recreational marijuana, a state legislator said on Thursday.

House Minority Leader Nancy Pelosi (D-San Francisco) said Friday she plans to vote for California's Proposition 64, making her one of a small number of high-level politicians to support legalizing the recreational use of marijuana.

House Minority Leader Nancy Pelosi (D-San Francisco) said Friday she plans to vote for California's Proposition 64, making her one of a small number of high-level politicians to support legalizing the recreational use of marijuana.

Lori Ajax has two years to set up California’s first system to license, regulate and tax medical marijuana. Gov. Jerry Brown recently appointed the Republican to become the first chief of the Bureau of Medical Marijuana Regulation.

Lori Ajax has two years to set up California’s first system to license, regulate and tax medical marijuana. Gov. Jerry Brown recently appointed the Republican to become the first chief of the Bureau of Medical Marijuana Regulation.

California will need extensive regulatory oversight for cultivation, distribution and sales for pot intended for both social and medical use if voters approve recreational use of marijuana this year, according to a leading public policy group.

California will need extensive regulatory oversight for cultivation, distribution and sales for pot intended for both social and medical use if voters approve recreational use of marijuana this year, according to a leading public policy group.

San Diego legalized recreational pot dispensaries on Tuesday and the city also opened up the possibility it will allow pot farms, manufacturing facilities and testing labs.

San Francisco would have its own independent department of marijuana under legislation headed to the Board of Supervisors.

San Francisco would have its own independent department of marijuana under legislation headed to the Board of Supervisors.

Real estate broker Marty Higgins disliked the head shop vibe on his trips to local medical marijuana dispensaries, so he created an upscale dispensary, Harvest on Geary Boulevard, that opened in the spring. Last week, he went even more posh, announcing the creation of San Francisco’s first private cannabis club.

As California seeks to regulate its medical marijuana economy, as well as set rules for personal cultivation, a March 1 deadline is making scores of cities and counties paranoid about how to govern pot.

As California seeks to regulate its medical marijuana economy, as well as set rules for personal cultivation, a March 1 deadline is making scores of cities and counties paranoid about how to govern pot.