On the eve of Russia’s decision to expel British diplomats, U.K. Prime Minister Sir Keir Starmer touched down in Washington late Thursday for his second meeting with President Biden. On Friday, before his White House meeting, Starmer engaged with American business leaders, promoting an upcoming U.K. Investment Summit set for mid-October. Yet, the heart of the visit was his face-to-face with Biden, will center on a broad array of foreign policy concerns, including the war in Ukraine, tensions in the Middle East, and the growing influence of China in the Indo-Pacific region. A key topic on the t…