Sen. John McCain opposes nomination of Rep. Mick Mulvaney to be OMB Director (C-SPAN) - Sen. John McCain opposes nomination of Rep. Mick Mulvaney to be O... - #*, #C-SPAN, #CSPAN, #JohnMccain, #MickMulvaney, #OfficeOfManagementBudget, #OMB, #U.S.Senate #Video