Charlotte (AFP) – US Republicans launched their national convention Monday with a full-throated endorsement of President Donald Trump’s record and laid out a bleak vision of how American life would change for the worse under a Joe Biden administration.Trump, having claimed the party’s unanimous nomination earlier in the day as he opened his bid for a second term, was portrayed — perhaps misleadingly — as a president whose response to the coronavirus pandemic saved thousands of lives and ensured an economic recovery.Trump’s right-wing firebrand son Don Jr, who like many spoke from an ornate t…