Who should pay for Prop. 36, California’s new tough-on-crime law?

When California voters overwhelmingly approved a ballot measure to toughen penalties for low-level theft and drug crimes last November, it became law without any funding to cover the costs of locking up more people or ordering them into treatment.

Now, state and local lawmakers and Gov. Gavin Newsom are clashing over how to pay for it.

Proposition 36, which passed with nearly 70% of the vote, allows county prosecutors to bring felony charges against those caught using drugs stealing...