US-China trade talks extend to April over differences on tariffs

A worker sweeps the road at a container port in Qingdao in east China's Shandong Province. American and Chinese trade negotiators cannot agree on enforcement measures ahead of a trade deal. Photo credit: AP

A worker sweeps the road at a container port in Qingdao in east China's Shandong Province. American and Chinese trade negotiators cannot agree on enforcement measures ahead of a trade deal. Photo credit: AP

A hoped-for summit to wrap up a U.S.-China trade deal has been postponed from this month to April or later as Beijing bristles at Washington's demands for a one-way enforcement framework.