US President Donald Trump unveiled what he called a "damn good" AI chatbot, but it quickly drew attention for contradicting some of his contentious political claims. A day later, however, it stopped answering some political questions. "Hello, America. Whatever you need from government, start here," reads the America.gov platform, which Mr Trump launched in a bid to simplify access to government information and federal services. The chatbot soon began contradicting Mr Trump on controversial subjects such as the 2020 presidential election, which he wrongly claims to have won, and the 6 January 2021 insurrection that saw a violent mob attacking…