Xi Jinping opened his Beijing summit with Trump by asking whether the two powers could avoid the "Thucydides Trap" — then warned that mishandling Taiwan could lead to war.

Trump and Xi meet as trade, Taiwan and the Iran war dominate a high-stakes US-China summit.

Taiwan is watching the US president’s visit with anxiety, fearing a change in Washington’s position

Chinese President Xi Jinping and President Donald Trump began their summit in Beijing, China, on Thursday.