http://www.thewire.com/politics/2014/05/the-rnc-wants-to-avoid-a-herman-cain-situation-in-2016-will-limit-debates/361995/
Also means less information for voters. All you ever get to see is the scripted moments. You know what happens if EVERYTHING is clean and packaged? You get the same old people who have been running the federal government into the ground.
I don't need to watch Republican debates for more information. Republicans are socialists and their record of more than 150 years is plenty of evidence to show that they'll never change.