By putting the trade deal in doubt, he hurts red states, including Texas. Trump’s latest tariff threat jolted more than a year of stalled trade talks between the U.S. Key points and original sources are listed below.

• By putting the trade deal in doubt, he hurts red states, including Texas.S1

• Trump’s latest tariff threat jolted more than a year of stalled trade talks between the U.S. and Canada.S2