Core Viewpoint - Leo Melamed, a prominent American economist, criticizes President Trump's protectionist policies, stating they are not only wrong but could lead to severe long-term consequences [1][3] Group 1: Critique of U.S. Policies - Melamed argues that Trump's policies are causing self-isolation for the U.S., solidifying existing interest structures, and fostering resentment and hostility towards the U.S. from other nations [3] - He expresses concern that if dissatisfaction among countries accumulates, it could lead to a situation beyond Trump's control, resulting in the U.S. losing its competitiveness and influence [3] Group 2: Views on China - Melamed praises the quality of the Chinese people, highlighting their education, intelligence, and diligence, while suggesting that China's rise could challenge U.S. dominance in the future [1][3] - He acknowledges China's development as positive and correct, indicating a bright future, but this perspective may exacerbate tensions in U.S.-China relations [3] Group 3: Broader Implications - The commentary reflects a broader concern among U.S. economists about maintaining American strength and leadership in the world, with Melamed's disappointment rooted in the implications of Trump's policies on international relations [3][4] - There is a recognition that critiques of Trump may stem from a desire for the U.S. to remain a global leader, rather than a genuine wish for China to surpass the U.S. [4]