Senate Governmental Affairs Committee Considers GOP Rep. Mick Mulvaney To Be OMB Director [Getty Images]

Representative Mick Mulvaney, a Republican from South Carolina and Office of Management and Budget director nominee for U.S. President Donald Trump, testifies during a Senate Governmental Affairs Committee confirmation hearing in Washington, D.C., U.S., on Tuesday, Jan. 24, 2017. Mulvaney said Tuesday the nearly $20 trillion national debt needs to be "addressed sooner rather than later" and that he would push Trump to break his campaign promises and cut Social Security and Medicare. Photographer: Aaron P. Bernstein/Bloomberg via Getty Images

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