Such as WHO, John? Bachmann, Cain, Perry, Romney and now Gingrich have either flirted with or sat at the top spot. Huntsman and Paul are worse than any of these, and Santorum isn't getting any traction. Palin, DeMint, Pence et al took a pass.
You go to war with what you have, not what you want.
Guy I wanted was Daniels, but even he was derided here as being a RINO. But here's not here either. We've got who we've got, and whining about who we wish was in the race doesn't do any good.