The outcome of the 2014 election, on track to be the most expensive midterm ever, could be determined by a flood of money from secret donors.Nov. 4, 2014
UP NEXT
John Podesta: Trump 'is interfering with the orderly transition of power'
07:24
Fmr. Federal Elections Chair: "You just can't do that"
09:00
First day of early voting in Maryland more than double 2014
01:12
Sen. Wyden: GOP wants health care for the 'healthy and wealthy'
07:25
Early voting in Georgia skyrockets versus 2014 midterms