I don't have access to real-time information or specific quotes made by Chris Christie after that date. However, I can provide a general interpretation of the phrase "a leader's obsession with the mirror" based on common understanding.
In a political context, the statement might imply that some leaders become excessively focused on themselves, their image, and their personal interests rather than prioritizing the needs and concerns of the people they are supposed to serve. Such leaders may be more concerned with maintaining their popularity or personal power rather than making decisions that benefit the greater good.
This kind of behavior can be detrimental to effective leadership because it often leads to a lack of accountability, transparency, and responsiveness to the concerns of the public. Leaders who are overly preoccupied with themselves may neglect crucial issues, make decisions to enhance their own image rather than solve problems, and distance themselves from the real needs and struggles of the people they represent.
It's essential for leaders to maintain a balance between self-awareness and humility while focusing on the well-being and progress of their constituents. An unhealthy obsession with self-image can erode trust in leadership and hinder effective governance.