The political network led by the Koch brothers plans to spend nearly $889 million ahead of the 2016 election. Sam Stein and Steve Rattner join to discuss whether this will become a game-changer.Jan. 27, 2015
UP NEXT
Non-stop snow pounds California's Sierra Nevada, closing down freeways
03:09
Search underway for missing helicopter carrying 5 Marines
02:19
California rains expected into the night as falling trees kill 2 people
05:06
Weather as a wildcard: Frigid Iowa cold holds potential for discouraging caucus participants
02:35
Frigid temperatures could impact Iowa caucus turnout
02:40
Iowa voter says Trump's poll lead would prevent him from caucusing over cold weather