Former US president Donald Trump cemented his position as the Republican Party’s all-but-certain nominee for November’s general election after sweeping the Super Tuesday primary contests. “They call it Super Tuesday for a reason. This is a big one,” Trump said in his victory speech, delivered at his Mar-a-Lago resort in Palm Beach, Florida. As the crowd chanted “USA! USA,” Trump said voters had delivered him an “amazing night.” The results set the stage for a White House rematch between Trump and US President Joe Biden, who as the first-term incumbent has no real rivals for the Democratic Part…