Nikki Haley is set to suspend her campaign for the Republican nomination for November’s presidential election, the Wall Street Journal and CNN reported on Wednesday. The decision leaves former president Donald Trump as the only remaining candidate for the Republican Party and comes after the so-called Super Tuesday primaries in the United States, in which Haley managed to win only one of the contests – in Vermont. Most US commentators have said for weeks that Trump has all but locked up the nomination for the Republicans and will face US President Joe Biden, who won all his Super Tuesday prima…