Iowa Poll: Scott Walker Nosedives, Carly Fiorina on the Rise

Mark Halperin and John Heilemann discuss Wisconsin Governor Scott Walker’s drop in a Quinnipiac poll of Iowa voters on “With All Due Respect.”

Tough Mudder Founder Explains its Popularity
36:43 - Will Dean, Tough Mudder founder and CEO, discusses why his company's events are popular, what's next in his growth strategy, and what advice he has for entrepreneurs. (Source: Bloomberg)
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