ThinkProgess: “Treasury watchdog to investigate why analysis of GOP tax bill was never made public. Sen. Warren said the department has “grossly misled” the public. The Treasury Department’s inspector general has opened an inquiry into why the department’s analysis of the Republican tax plan hasn’t been released to the public, following a request from Sen. Elizabeth Warren (D-MA) Thursday. Treasury Secretary Steve Mnuchin has been a strong advocate for the plan. As Warren notes in her letter, he has made sweeping promises about its effects, including saying that the plan will “pay for itself with growth” and pay down debt. Both claims have been disproven by a number of independent economists. On Thursday [November 3, 2017], the Joint Committee on Taxation (a nonpartisan congressional committee) released its own analysis that estimated that the tax cuts Republicans hope to pass will add $1 trillion to the deficit, and even the most generous analyses assuming strong economic growth do not show that the bill would “pay for itself.”  “Despite a lack of evidence to support his assertions, has claimed that ‘100 people are working around the clock on running scenarios for us’ to show that these corporate tax cuts will pay for themselves,” Warren writes in her Thursday letter to Inspector General Eric Thorson that called for an inquiry. Mnuchin, as Warren notes, has promised to release the department’s analysis, but, she writes in her letter, “as Senate Republicans prepare to vote within the next day on the tax plan, the Department of the Treasury has failed to produce any economic analysis” supporting his claims…”