Trade talks between the U.S. and China yielded early and unexpected positive outcomes, which may now be in jeopardy.Foreign policy concerns took precedence over economic issues when President Trump and Chinese Premier Xi met in Florida during March. From that meeting, though, the U.S. gained access to China for beef with that market to open by 16 July. (Because the process went so smoothly, at least two shipments were made last week). The U.S. also reopened its market to poultry processed in China, although the House agricultural appropriations bill that passed out of subcommittee this week proposes placing some extra regulatory burdens on those imports. Nonetheless, as President Trump tweeted at the time of the meeting with Xi, “I explaine...