Tariffs are Trump's favorite foreign policy tool. The Supreme Court could change how he uses them

“The use of tariffs the way that President Trump is using them is like — just broadscale attack on an economy as a way to ...
ABC

Watch 'Michelle Obama: The Style, The Power, The Look – A Conversation with Robin Roberts' Sunday, November 2

A Conversation with Robin Roberts – Special Edition of 20/20" Sunday, Nov. 2 on ABC and stream next day on Disney+ and Hulu.