The nomination of Rep. Elise Stefanik, R-N.Y., to be U.S. ambassador to the United Nations appears to be in trouble, a source familiar with the matter told Fox News Digital. Stefanik is under pressure to take herself out of contention for the role despite appearing poised to sail through Senate confirmation with bipartisan support, CBS News first reported. Sources told the outlet that House Republicans’ razor-thin majority is a major factor in the current considerations,...