Sen. David Vitter (R., La.) tells TheStreet's Joe Deaux that he hopes Federal Reserve Chairwoman Janet Yellen becomes more vocal about income inequality. Vitter says monetary policy is the fundamental reason for the income gap, arguing that higher income individuals directly benefit from an improving stock market, while the "real economy" improves at a "mediocre" pace. The Fed's economic stimulus program has put markets on a sugar high, Vitter says.

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