Cheddar looks back at the life and legacy of Sen. John McCain, who died Saturday at 81 following a year-long battle with brain cancer.
For full interview [click here](https://cheddar.com/videos/examining-john-mccains-legacy).
President Joe Biden on Monday will sign a sweeping executive order to guide the development of artificial intelligence — requiring industry to develop safety and security standards, introducing new consumer protections and giving federal agencies an extensive to-do list to oversee the rapidly progressing technology.
Former Vice President Mike Pence dropped his bid for the Republican presidential nomination on Saturday after struggling to raise money and gain traction in the polls.