President Donald Trump and former President Barack Obama are going head-to-head on the campaign trail, trading political attacks and rallying voters in key batt
Leading up to the US election on November 3, our correspondent will brief readers daily via five stories from the American news coverage. Today, Annegrethe Rasmussen looks at how two presidents, Trump and Obama, threw themselves into the election campaign over the weekend. And it wasn't quiet, to say the least.