The Latest: Canada strikes back at US with retaliatory tariffs as trade war escalates

President Donald Trump is in the process of escalating his trade war with Canada, and nobody seems to know why. On Monday, he threatened additional 50 percent tariffs on Canadian auto industry, which is intricately connected with the American counterpart, potentially causing significant damage to both sides. By Tuesday, he began joking about renaming Lake Ontario to "Lake America" in an act of spite towards Canadians.

Trump and Vice President JD Vance have also reignited their "jokes" about absorbing Canada as the 51st state. However, there is no clear indication of who or what is driving this conflict. Even trade experts, political scientists, and Republicans have struggled to pinpoint any ideological, business, or congressional coalition supporting the trade war.

Some sympathetic to Trump's economic nationalism express confusion as well. While there are affected industries like autos and steel, they do not seem to be the primary focus. The politics are puzzling, as American voters have historically disapproved of Trump's tariffs on Canadian-made goods, and the escalation could be the largest and most economically damaging yet.

Moreover, it poses a threat to midterms by dampening Republican enthusiasm in key Senate races near the Canadian border. The best explanation for this trade war, according to trade economist Kim Clausing, is Trump's personal desire to dominate or possess Canada, with his top deputies supporting and reinforcing his fixation. This situation highlights the risks of governance by a single individual's whims, potentially harming America's economy and straining its relationship with its closest ally before resolving the issue.