Americans can once again order free COVID-19 tests from the federal government. The program returns as officials are encouraging the public to get the updated COVID-19 vaccine amid rising hospitalizations. Dr. Celine Gounder joins "CBS Mornings."School districts across the United States with more Black and low-income students are able to invest significantly less in their buildings and students are feeling the impact on their education. CBS News and Stations investigative correspondent Stephen Stock reports.A drought in the Midwest has lowered water levels in the Mississippi River so much that saltwater is now pushing upstream, threatening water quality in and around New Orleans. CBS News' Omar Villafranca has the latest."Survivor" Host & Executive Producer, Jeff Probst, joins "CBS Mornings" to preview the show's 45th season.TaKiyah Wallace-McMillian, photographer and founder of "Brown Girls Do Ballet," joins CBS Mornings to discuss her first book "The Color of Dance" which features ballerinas of color from across the U.S. Wallace-McMillian will explain the biggest barriers for ballerinas of color, the uplifting messages from the young women and girls in the book, and the changes needed in the ballet industry.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.