President Trump imposes 50% tariffs on Canadian steel & aluminum, citing unfair dairy tariffs as high as 390%. Canada vows retaliation amid escalating trade tensions. 🇺🇸🇨🇦💰 - Trump hikes Canadian steel/aluminum tariffs to 50%, combining 25% metal duties with a 25% general tariff. - Canada’s 250%-390% dairy tariffs under USMCA quotas face U.S. backlash, despite rare application. - Threats of reciprocal tariffs loom as trade disputes over quotas and supply management persist.