The United States and China have made progress on narrowing their differences on trade and other economic issues after three days of talks in Beijing ended Jan. 9. The talks -- the first since U.S. President Donald Trump and Chinese President Xi Jinping agreed to a 90-day tariff truce last month -- were between mid-level negotiators, meaning they were not expected to produce a deal ending the U.S.-China trade war. But both sides reportedly made progress on some easier concessions, such as China's commitment to buy U.S. agricultural, energy and manufactured goods and widen access to its markets. Both sides, moreover, agreed to remain in close contact. Cabinet-level talks are expected to follow in the coming weeks as the world watches to see how its two largest economies manage their trade tensions before their self-imposed deadline ends March 1....