Sen. John McCain called on Orange County Latino leaders Wednesday to support his immigration bill, saying it was time for them to "speak for people who cannot speak for themselves." "You are the role models," McCain said to a mostly Latino audience of 340 gathered at the Hyatt Regency Irvine. McCain (R-Ariz.) came to Orange County — a hotbed of opposition to illegal immigration — to garner support from the Hispanic 100, a 3-year-old organization that has organized events with President Bush, Gov. Arnold Schwarzenegger and gubernatorial candidates. ... In Orange County, McCain said Latino leaders must press Congress to...