When Arizona prison officials injected condemned rapist and murderer Richard Stokley with a single, fatal drug dose last month, it marked the state's sixth execution of the year in the nation's second busiest death chamber.

Now that California voters in November narrowly preserved the death penalty, Arizona's path could foreshadow the future for this state, where not a single one of the 729 death row inmates have marched to execution in seven years.

As in California, interminable legal tangles once shut down Arizona's death penalty system as the state executed only one inmate, who volunteered to die, from 2001 to 2010. But Arizona emerged from numerous court battles that removed all of the legal roadblocks that remain in California.

Read more at the San Jose Mercury News