If the US government defaults, the world's financial system would be affected, but some experts say that would actually increase demand for US government debt. An obstacle in the debt ceiling negotiations is tougher work requirements for social safety-net programs. New data shows the US is doing well in preventing new HIV infections, but the gains are happening unevenly across racial and ethnic groups. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy