Young voters hint at electorate shift - USATODAY.com A USA TODAY/MTV/Gallup Poll of registered voters 18 to 29 years old shows Democrat Barack Obama leading Republican John McCain by 61%-32%, the most lopsided contest within an age group in any presidential election in modern times. ... Some Republicans fear that whatever the outcome Nov. 4, movement of this generation to Obama could set political views through their lifetimes, reverberating in future elections. "This is the equivalent of the Reagan brigades, where a whole class of people identify with a politician," says Dan Bartlett, a veteran of the Bush White House, calling it "a real wake-up call" for the GOP. Bartlett, 37, grew up during Reagan's presidency, which begat a generation of young conservatives.