President Trump is scheduled to sign a phase-one deal with China on Wednesday, finalizing an agreement the administration announced last month that will commit China to buying $200 billion worth of additional U.S. products and services over the next two years, including up to $50 billion in agricultural goods. The agreement will go into effect on Feb. 14 -- 30 days after Trump and Chinese Vice Premier Liu He sign the pact. Liu will lead a delegation of Chinese officials...