Trump’s 50% Canada tariffs spark Democratic backlash as Schumer, Newsom and Klobuchar warn higher costs could hit American families and businesses.

"Trump is going to be hitting American consumers with a new round of tax hikes just over two months before the election," said one economist.

After trade negotiations crumbled down to the eleventh hour, U.S. President Donald Trump’s 50% tariffs on scores of Canadian imports kicked in Saturday.