President Donald Trump has taken executive action to impose or threaten new tariffs on imports from Canada, Mexico and China. The moves fulfill certain campaign promises but also have roiled stock markets and supply chains,

Prices for gas, electronics, and cars could increase the most.

A day after levying steep new tariffs on Mexico, Canada and China, President Trump acknowledged what economists, members of Congress and even some of his own aides — in their previous lives — have been saying all along: Americans may find themselves paying the costs.