A mysterious viral outbreak that began in China has now spread to other countries. Ramy Inocencio reports from China....

In two weeks, the first votes in the Democratic race will be cast in Iowa, where tonight, there is no clear frontrunner. Ed O’Keefe reports....

The threat of violence from white supremacist groups meant a heavy police presence in Richmond, Virginia, as thousands of gun rights supporters rallied on the Capitol grounds. Jeff Pegues reports....