Why it’s so hard for conservatives to unify behind one candidate
By JOHN DICKERSON

[CBSNews.com] The field of announced Republican candidates has recently doubled to six, with the entry of Ben Carson, Carly Fiorina, and Mike Huckabee. When you add the candidates who are almost certain to soon join the race–Jeb Bush, Gov. Scott Walker, Rick Perry, and Gov. Chris Christie–and the others who might, the field will be big enough to fill an airport shuttle van. The stage at the first Fox News debate in early August will have so many people on it, the organizers may need to put everyone on bleachers.

The Republican presidential pageant is vastly more diverse than the Democratic coronation. The GOP field includes a female CEO, a black surgeon, two Cuban Americans, a lawyer, and a preacher.
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