Complex sentence: CBS confirmed later the same day that Couric would become the new anchor and managing editor of "CBS Evening News" with her first broadcast set for September 5,2006.
Split into simpler sentences: CBS confirmed later the same day that Couric would become the new anchor and managing editor of "CBS Evening News". She made her first broadcast as anchor and managing editor of the "CBS Evening News with Katie Couric" on September 5,2006.