Many are arguing these days that President Obama has forged a new majority coalition of women, minorities, young people and upscale cultural liberals so large and durable that he can do what no president has done before—pursue a very liberal agenda without serious opposition or defections from his own party. Demography is destiny, this argument holds, and it is irrevocably on the side of Mr. Obama and the Democratic Party. -snip- Republicans have a perception problem with Hispanics, but the GOP earned 44% of Hispanic votes in 2004 and can do so again with the right policies, many more Hispanic...