Chinese President Xi Jinping and Russian President Vladimir Putin held a video summit and promised to meet during the Beijing Winter Olympics in February 2022. What else was discussed during the high-level meeting?

Tornadoes tore a deadly path through six Midwestern and Southern states in the United States. What are the causes of these tragic winter storms?

Elon Musk, the richest person on Earth, has been named Time's 2021 Person of the Year for his "extraordinary influence on life on Earth, and potentially life off earth too." How is the public responding to the decision?

For this edition of Dialogue Weekend show, we have Prof. John Gong from the University of International Business and Economics; Rick Dunham, former White House correspondent for Business Week; Pavel Felgenhauer, Russian defense analyst; and Wu Changhua, executive director of the Professional Association for China's Environment.