Former South Carolina Gov. Nikki Haley (R-SC) put aside months of bitter primary fighting, and her own extensive criticisms that he is unfit to lead, to endorse former President Donald Trump at the Republican National Convention in Milwaukee Tuesday. Commenters on social media were revolted — including some conservatives who had once respected her. “Nikki Haley just said ‘Donald Trump has my strong endorsement’ at the RNC,” wrote Democratic activist Harry Sisson. “What a coward. Trump insulted her, her intelligence, her family, and more. Yet, she bows down to Trump and kisses the ring. MAGA is…