LOS ANGELES – Jamie Foxx stepped into the spotlight at his latest movie premiere with more than the usual publicity drill in mind. Don’t let it happen, the actor urged – don’t let the state of California execute Stanley Tookie Williams, the convicted murderer and Crips gang co-founder who’s been recast behind bars in the role of peacemaker. Foxx is not alone. An unusually varied collection of Hollywood stars and other famous names is trying to persuade Gov. Arnold Schwarzenegger that Williams can do more for society alive than dead. Schwarzenegger said Friday that he would consider granting clemency to...