Donald Trump has lashed out at other high-profile Republicans after the failure of the predicted “red wave” in the US midterm elections, which has chilled enthusiasm for his promotion of extremist candidates and a possible new run at the White House. At Mar-a-Lago on Tuesday night, as Democrats had a better election than expected, the former US president was seen to be in a mood ranging from subdued to exasperated, but later in the week he became angry, attacking fellow Republicans including two popular governors. On Thursday night, his target was the Florida governor, Ron DeSantis, once a close ally…