Commerce Secretary Howard Lutnick said Sunday that the Trump administration's threatened 25% tariffs on steel and aluminum imports will start Wednesday and tariffs on Canadian dairy and lumber products will go into effect on April 2.

The American economy is experiencing whiplash in the wake of Donald Trump's flip flop on tariffs for Canada, China and Mexico. Katie Phang and Heather Boushey break down what that means for the American people.

President Donald Trump is once again postponing aggressive new tariffs that went into effect on March 4. Trump, however, isn't canceling the tariffs — only delaying them — and in April, new 25% tariffs on goods imported into the United States from Canada and Mexico are scheduled to go back into effect.