BEIJING — U.S. President Donald Trump arrived in Beijing on Wednesday for his hotly anticipated talks with Chinese President Xi Jinping on the Iran war, trade and U.S. arms sales to Taiwan. The meat of the summit doesn’t start until Thursday, when the leaders hold bilateral talks, visit the Temple of Heaven, where Chinese emperors once prayed for bumper crops, and take part in a formal banquet. But the Chinese offered Trump a pomp-filled welcome, literally rolling out the red carpet for him after Air Force One landed in the Chinese capital. The president was greeted by Chinese Vice President Han Zheng; Xie Feng, China’s ambassador to Washington; Ma Zhaoxu, executive vice minister of foreign affairs; and the U.S. envoy to Beijing, David Perdue. The welcoming ceremony included a military honor guard, a military band and some 300 Chinese youths waving Chinese and American flags and chanting, “Welcome, welcome! Warm welcome!” as Trump made his way to his waiting limousine.…