Super PACs Dominate the GOP Presidential Race

“A whopping 95 percent of the TV ad spending in the Republican presidential race has come from outside groups and Super PACs, while just 5 percent comes from the actual campaigns,” according to an NBC News analysis of TV ad spending.

“The opposite is true on the Democratic side — 95 percent of the TV ad spending in the Democratic presidential contest has come from the campaigns, versus just 5 percent from outside groups.”