Donald Trump cruised to a lightning victory Saturday in the South Carolina Republican primary, blitzing rival Nikki Haley in her home state and continuing his march to the nomination and a White House rematch with Joe Biden in November.
Trump completed a sweep of the first four major nominating contests, converting a year of blockbuster polls into a likely insurmountable lead going into the "Super Tuesday" 15-state voting bonanza in 10 days.
