Sen. Thom Tillis, R-N.C., has separately vowed to hold up the nomination until the DOJ resolves its criminal investigation of Fed Chair Jerome Powell.

Sen. Thom Tillis said he would oppose any new Fed nominees until the Powell probe is resolved, the same day Trump announced Kevin Warsh as his Fed chair pick.

Sen. Thom Tillis, R-N.C., has separately vowed to hold up the nomination until the DOJ resolves its criminal investigation of Fed Chair Jerome Powell.

Sen. Thom Tillis told CNBC he is committed to blocking Kevin Warsh's confirmation as Fed chair unless the Trump administration ends its probe of Chair Powell.

President Donald Trump recently said the investigation into Jerome Powell, led by U.S. Attorney for Washington Jeanine Pirro, should continue to the end.