In our news wrap Thursday, Russian-American Ksenia Karelina was released to the U.S. in a prisoner swap after 14 months in Russian captivity, well over 200 people are confirmed dead from a nightclub roof collapse in the Dominican Republic and Health and Human Services Secretary Robert F. Kennedy Jr. claims his agencies will identify the cause of autism by September of this year. PBS News is supported by - https://www.pbs.org/newshour/about/funders