Wednesday on the NewsHour, carefully scripted legal arguments give way to senator questions in President Trump’s impeachment trial. Plus: Legal experts analyze the latest from the impeachment trial, how China and the global health community are responding to the outbreak of novel coronavirus, understanding traumatic brain injury, saving Australian wildlife after bushfires and Now Read This.

Editor's Note: The first segment of tonight's show incorrectly identified the location of the bakery sending cakes to lawmakers in the Senate. The cakes did not come from a bakery in Washington, D.C., but rather from one in New York. The segment's transcript has been corrected. NewsHour regrets the error.