[See NewsBusters for more.] Despite a combined eight hours of air time, the three networks on Friday allowed a scant one minute and 48 seconds to the latest details of Hillary Clinton's evolving e-mail scandal. This, despite the revelation that a top Clinton adviser announced he will plead the Fifth Amendment. In contrast, ABC, NBC and CBS devoted a staggering 41 minutes and 54 seconds to various rock concerts. CBS This Morning on Friday managed 34 seconds on Clinton. Norah O'Donnell quickly explained: "Another close aide to Hillary Clinton is set this morning to appear before lawmakers investigating the deadly Benghazi attacks."