Mika Brzezinski, "Morning Joe" co-host and author of two best-selling books ("Knowing Your Value" and "All Things At Once"),

This weekend, Alex Witt sat down with her colleague Willie Geist for the latest installment of "Office Politics" on her show, Weekends with Alex

Best selling author and Hardball host Chris Matthews has done it again with his newest book "Jack Kennedy: Elusive Hero".