The American and Chinese presidents talked Iran, Taiwan, and trade, but found little to agree on US President Donald Trump’s meeting with his Chinese counterpart, Xi Jinping, was heavy on pomp, praise, and promises. But what did both leaders walk away with after the superpower summit in Beijing? Trump left Beijing on Friday, two days after becoming the first US president to visit the Chinese capital in almost a decade. The trip took place amid two paused conflicts – Trump’s trade war with Beijing and his real war against Iran – which directly affect China, and although both leaders hailed positive developments in their relationship, differing statements from the two sides suggest that these issues and others remain unresolved. Xi gives Trump a royal welcome   From the military honors and red carpet that greeted Trump on Wednesday, to the garden tour of Xi’s Zhongnanhai compound on Friday morning, the Chinese president was a gracious host throughout.…