BLUE HILL, Maine – Graham Platner, the progressive left, and Donald Trump appear to be the big winners in Tuesday’s high-profile primaries in Maine and South Carolina. Platner, the oyster farmer and military combat veteran who has been facing plenty of incoming fire amid mounting controversies, cruised to the Democratic nomination Tuesday in left-leaning Maine and will now face longtime moderate Republican Sen. Susan Collins in a key...

Nevada state Sen. Carrie Buck won the Republican nomination for Nevada’s 1st Congressional District on Tuesday, defeating businessman Michael Boris and other candidates in a closely watched primary contest to challenge Democratic Rep. Dina Titus in November. Buck’s victory comes after receiving endorsements from President Donald Trump and Gov. Joe Lombardo, as well as backing from national Republican groups focused on protecting and expanding the party’s House majority....