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Here's what could stop 2 to 3 percent U.S. economic growth over next few years

Jim McCaughan, the CEO of the $451 billion global asset management firm Principal Global Investors, is forecasting 2 to 3 percent growth in the U.S. economy over the next two to three years. He walks Yahoo Finance's Seana Smith, Andy Serwer and Julia La Roche through how we get there.