Jonathan Bernstein reviews the new GOP nominating rules. He claims they won't make much of a difference:
[I]n most cases, the delegate allocation rules just don’t matter; the winning candidate in most cycles has wrapped it up early and would dominate the eventual delegate count regardless of how delegates were determined. That’s just as likely to happen this time as ever. If two very strong candidates emerge with the resources to fight it out to the end, then the delegate rules might, but probably won’t, affect who wins. And it’s still going to be about as hard as it ever was for a candidate (such as, potentially, Ron Paul) who takes a steady 15 percent or 20 percent in every state to build up enough delegates to seriously threaten to deadlock the convention; just as they did for Republicans in the past, delegate allocation rules will work against that sort of candidate.
The Dish 