Today on CNN10, we start with a tribute to former Supreme Court Justice Sandra Day O’Connor. We look at the historic climate pledge from world leaders out of COP28. We also discuss a young star that could be forming a planet.Today on CNN10, we start with a tribute to former Supreme Court Justice Sandra Day O’Connor. We look at the historic climate pledge from world leaders out of COP28. We also discuss a young star that could be forming a planet.