WASHINGTON, United States (AFP) — J.D. Vance, a Republican candidate for the US Senate who had received former president Donald Trump’s endorsement, has won his party’s hotly-contested primary in Ohio, US media projected Tuesday. Like many Republicans, the 37-year-old was initially critical of Trump during the latter’s rise in politics — at one point even calling him “America’s Hitler” — but later became an ardent supporter, emulating the former president’s firebrand style of populism. […]