Chinese President Xi Jinping has wrapped up his state visit to the United States, the first in 11 years. As more details emerge about what the two sides agreed on, the bigger question is: What do these mean for China, the United States and the rest of the world? Shortly after the summit, CGTN's Tian Wei spoke with Professor Graham Allison, the founding dean of Harvard's John F. Kennedy School of Government, who's the author of “Destined for War: Can America and China Escape Thucydides’s Trap”? Here are his views.