By Jeff Cox, CNBC.com Staff Writer
NEW YORK ( CNBC) -- The U.S. is spending $4 billion a day more than it is taking in, putting the country on an unsustainable fiscal path perpetuated by both Democrats and Republicans, according to David Walker, head of the Comeback America Initiative. Solving America's problems will require a combination weighted toward spending reductions but one that also will require spreading the taxation burden around more evenly, said Walker, the former U.S. comptroller general. "We're not growing enough and we're not going to grow our way out of this problem," he said in a CNBC interview. "We would have to have double-digit real GDP growth for decades to grow our way out of this hole."
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