"It is very rare to see Xi Jinping challenge the Americans and he did so today"

Tiago André Lopes, a CNN Portugal commentator, analyzes the partnership between Russia and Iran in the manufacture of weapons. The article's title refers to the fact that it is very rare to see Xi Jinping challenge the Americans, having done so on that day. The commentator highlights the unusual nature of this position by China towards the United States. The central theme of the analysis concerns the cooperation between Russia and Iran in the development of weapons.