Trump delays Xi meeting as Iran conflict lets US strong-arm China’s oil supply

President Donald Trump’s decision to delay a planned meeting with Chinese President Xi Jinping as the U.S.' conflict with Iran unfolds is raising a new question in Washington: whether pressure on global oil flows is factoring into U.S. leverage with Beijing. 

The summit originally had been planned for March 31 to April 2, but Trump said on March 16 that he had asked China to delay it by "a month or so," explaining, "We got a war going on. I think it’s important that I be here." 

The following day...