Candidate's super PAC — 'Cain Connections' — raises legal questions

Quick stats on the super PAC

Karl Rove-linked political nonprofit releases tax returns, out-raises super PAC sister.

Congressman's use of super PAC to help colleague appears to be a new way around campaign finance rules.

Corporations have made big contributions to super PACs with conservative groups the biggest benefactors.

Two powerful partisan groups are funneling millions of dollars into the North Carolina governor's race.

The president blasted big-money politics in his acceptance speech as a Democratic super PAC scrambled to raise more funds.

Super PACs have a disproportionate affect on House races, which are a bargain compared to statewide contests.

Turn to us through Election Day and beyond for the narrative behind the massive flow of money at federal and state levels.

Moderate ex-senator Byron Dorgan joins ranks of campaign finance reforms endorsing public financinig.