Betraying Self-Designation China’s Communist Party is celebrating what it called a “complete victory” over extreme poverty in the country. President Xi Jinping credited the socialist system for “guarantees against risks, challenges and difficulties.” The People’s Daily newspaper proclaimed that, “General Secretary Xi Jinping has stood at the strategic height of building a well-off society in an all-around way and realizing the Chinese dream of the great rejuvenation of the Chinese nation.” A “well-off” society with guarantees against difficulties should not concurrently designate itself a developing country in need of special and differential treatment under international trade la...