G20 financial heads to stay vague on trade, no progress seen in U.S.-China row

G20 financial heads to stay vague on trade, no progress seen in U.S.-China row

Finance leaders of the Group of 20 major economies will steer clear of promises to avoid protectionism in a communique on Sunday amid escalating U.S.-China trade tensions, officials say, casting doubt on their ability to take a united front in averting a glob…