Donald Trump has won more Republican primaries, celebrating victories in Michigan, Missouri and Idaho on Saturday. His overwhelming lead to become the party’s presidential candidate has now become even bigger. In Michigan, the 77-year-old beat Nikki Haley – his last remaining rival in the race – in all 13 districts. Meanwhile, his victory was pronounced less than two hours after voting started in Missouri. Trump’s wins are another setback for Nikki Haley, a former UN Ambassador. She vowed to continue at least until the “Super Tuesday”, when 15 states will vote simultaneously, distributing more…