Two larger-than-life politicians, Arnold Schwarzenegger and Ronald Reagan, charged into the California governor's office with the help of young voters, many of whom were drawn to the Republican Party by a message of sunny optimism. But what those two very different Republican politicians did to attract millions of young adults looks to be a feat the Grand Old Party may not repeat anytime soon - either in California or on the national level in the 2008 presidential election. A Democracy Corps poll from the Washington firm of Greenberg Quinlan Rosner suggests voters ages 18 to 29 have undergone a striking...