http://www.freepress.net/blog/2012/09/24/tv-stations-accept-political-ad-cash-and-leave-viewers-dark
“The hundreds of hours of local news that aired in the two weeks prior to Wisconsin’s June 5 recall election included no stories on the 17 groups most actively buying time on Milwaukee’s ABC, CBS, Fox and NBC affiliates. While these stations were ignoring the impact of political ads, they found time to air 53 local news segments on Justin Bieber.”