World News Roundup Late Edition

Democrats warm up for big debate in South Carolina hosted by CBS News. It's only a matter of time, say health officials about the spread of coronavirus in the United States. Wall Street stocks suffered a second straight rout Tuesday with the Dow falling more than 879 points. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.