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WASHINGTON, DC - JANUARY 30: Wisconsin Governor Scott Walker speaks at the American Action Forum January 30, 2015 in Washington, DC. Earlier in the week Walker announced the formation of 'Our American Revival', a new committee designed to explore the option of a presidential bid in 2016. (Photo by Win McNamee/Getty Images)
WASHINGTON, DC - JANUARY 30: Wisconsin Governor Scott Walker speaks at the American Action Forum January 30, 2015 in Washington, DC. Earlier in the week Walker announced the formation of 'Our American Revival', a new committee designed to explore the option of a presidential bid in 2016. (Photo by Win McNamee/Getty Images)

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    Walker rockets to top of Iowa poll

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Walker rockets to top of Iowa poll

John King, Julie Pace and Nia-Malika Henderson discuss a new Quinnipiac poll that has the Wisconsin governor with double the lead to his nearest competitor.

Walker rockets to top of Iowa poll

John King, Julie Pace and Nia-Malika Henderson discuss a new Quinnipiac poll that has the Wisconsin governor with double the lead to his nearest competitor.