Former Republican presidential candidate Nikki Haley officially endorsed Donald Trump — after she called him “disgusting” in the primaries, RadarOnline.com has learned. Despite taking digs at the ex-president while on the campaign trail, the former South Carolina governor has backed his campaign ahead of November’s election. Despite her previous takes on the ex-president, Haley — who previously served as Trump’s United Nations ambassador — appeared to put her opinions aside to unite her party. While speaking at the Hudson Institute in Washington on Wednesday, May 22, Haley announced she would …