LOS ANGELES (Reuters) - Prominent Latino leaders in California on Tuesday played down death threats apparently sparked by the divisive debate over illegal immigration. California Gov. Arnold Schwarzenegger told reporters on Monday that Los Angeles Mayor Antonio Villaraigosa and California Lt. Gov. Cruz Bustamante had both been targets of "disturbing and hateful death threats." "Hate, racism and intolerance are never accepted in our public debates," said Schwarzenegger, himself an immigrant from Austria. "That is not what California stands for. The greatness of California is its rich diversity." Police are investigating the threats, which came in postcards, e-mails and an Internet...