Mexico and U.S. gear up for tariff talks, Trump doubles down on threat

Top Mexican and U.S. officials on Sunday prepared for crunch talks next week aimed at averting a major trade clash after U.S. President Donald Trump vowed to impose punitive tariffs on all Mexican goods in an intensifying dispute over migration.Mexico's Economy Minister Graciela Marquez said on Sunday she would meet with U.S. Commerce Secretary Wilbur Ross in Washington on Monday, as the two governments begin holding talks to resolve the issue in the U.S. capital in the coming week.Trump says he