Politics Insider: Trump signs executive order hiking steel, aluminum tariffs

Hello, welcome to Politics Insider. Let's look at what happened today. Donald Trump signed an executive order today hiking steel and aluminum tariffs to 50 per cent, an escalation of his global trade war the White House says will disproportionately hit the Canadian economy. The order specifies that the new rate will take effect at 12.01 a.m. ET Wednesday. The U.S. President imposed 25-per-cent tariffs on both metals in March as part of the trade war that he has since expanded. Adrian Morrow reports that Canada's Intergovernmental Affairs Minister Dominic LeBlanc rushed to Washington today for a last-minute meeting with…