See page 2 of this Field Poll. A snippet: “Currently 50% of registered voters and 60% of likely voters have seen or heard something about this proposition. When asked how they would vote if the election were being held today, those opposing the initiative outnumber those who favor it both among all registered voters (44% No, 33% Yes, 23% Undecided), as well as likely voters (46% No, 35% Yes, 19% undecided).”