News anchor and managing editor, Norah O'Donnell, discusses joining "CBS Evening News" debuting tonight. "CBS actually created the evening news format, 70 years ago... and very few women have held that..
Former congressman Chris Shays (R-CT) explains why he's splitting with his party and voting for Joe Biden in 2020. And, Donald Trump attends his third G20 summit. Is he entering it stronger or weaker..