华尔兹被特朗普提名为美常驻联合国代表，万斯指责媒体：这是“晋升”而非“解雇”

Group 1 - The core viewpoint of the article is that U.S. Vice President Vance clarified that National Security Advisor Michael Walz was not "fired" but rather "promoted" to the position of U.S. Ambassador to the United Nations, countering media narratives [1][3] - Vance emphasized that Walz's new role requires Senate confirmation, and he believes this change is a promotion rather than a dismissal [3] - The article mentions that Vance expressed confidence in Defense Secretary Peter Hegseth's position, indicating stability within the administration [3] Group 2 - The article references a previous incident involving Walz, where he was implicated in a classified group chat regarding military operations against the Houthi forces in Yemen, which raised concerns about security protocols [4] - Walz took responsibility for the incident but denied any intentional wrongdoing in involving media personnel in the classified chat [4]