Republican Donald Trump and Democrat Hillary Clinton rolled up a series of wins on Tuesday, as the two presidential front-runners took a step toward capturing their parties' nominations on the 2016 campaign's biggest day of state-by-state primary voting. Trump and Clinton turned their sights on each other after their Super Tuesday wins, with Trump promising to "go after" Clinton and the former secretary of state decrying what she called Trump's divisive rhetoric. Trump's rival Ted Cruz, a US senator from Texas, won his home state and neighboring Oklahoma, bolstering his argument he had the best chance to stop the controversial Trump. US Senator Marco Rubio of Florida, the favourite of the...
