The search is on for a suspect who gunned down the CEO of United Health Care outside a New York City hotel. Supreme Court hears arguments on Tennessee's transgender health care ban. Defense Secretary designee Pete Hegseth continues making rounds on Capitol Hill as sources tell CBS News that Florida Governor Ron DeSantis as a potential Secretary of Defense pick as "very real." CBS News Correspondent Jennifer Keiper with tonight's World News Roundup.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.