Yesterday and today, top Trump administration trade officials weighed in on issues related to the the planned visit by President Trump to China, as well as various other China trade issues.

Last week, the Trump administration imposed 100% tariffs on patented pharmaceutical products and ingredients. Imports of pharmaceuticals from China are largely generics, though, and may not feel much impact from these tariffs.

Beijing signaled last week that it would not let previously announced sanctions stand in the way of a possible visit by U.S. Secretary of State Marco Rubio, in a fresh sign of pragmatic diplomacy as Washington and Beijing try to stabilize ties.

During an interview on Fox Business News today, U.S. Trade Representative Jamieson Greer weighed in on several issues related to China-U.S. trade relations after the meeting with his Chinese counterparts in Paris.

After the Supreme Court struck down President Trump's IEEPA tariffs, his administration immediately turned to Section 122 of the Trade Act of 1974 for replacement tariffs (to be supplemented by additional tariffs under Section 301 of that same statute, as well as Section 232 of the Trade Expansion

In a major development related to the Trump administration's tariff strategy, on Friday the Supreme Court held that the International Emergency Economic Powers Act (IEEPA), under which the Trump administration had justified many of its tariffs on China and other countries, does not allow the president to impose

In a legal text released today for a trade agreement between the U.S. and El Salvador, the Trump administration has continued its push for trading partners to sign on to provisions that target trade with China, on the basis of rights-based, economic, and security concerns.