To really be useful this needs to be broken out between hard and soft delegates - so for example, the RP delegates are not bound to RP, they are bound to Romney until they either vote for him one or abstain.
Some people think this is giving away information but clearly Romeny knows what slates were his and which were not already. As to other delegates, nobody can be 100% sure that a delegate is not a plant until they actually vote.
Of course, this should only contain *known* results, ie Minn, etc. and not projections
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