Public anger and grief over the bungled lockdown in Shanghai is creating a credibility crisis for the country’s leader, Xi Jinping, and his zero Covid policies. A banner reading “Persistence is victory!” at a makeshift hospital and quarantine facility in Shanghai earlier this month.Credit…Ding Ting/Xinhua, via Associated Press Immediately after Beijing said it had detected a new coronavirus outbreak, officials hurried to assure residents there was no reason to panic. Food was plentiful, they said, and any lockdown measures would be smooth. But Evelyn Zheng, a freelance writer in the city, was not taking any chances. Her relatives, who lived in Shanghai, were urging her to leave or stock up on food. She had spent weeks poring over social media posts from that city, which documented the chaos and anguish of the monthlong lockdown there. And when she went out to buy more food, it was clear many of […]