Mika Brzezinski is a co-host of Morning Joe and an MSNBC anchor. She is also the co-host of The Joe Scarborough Show on WABC Radio and a reporter on NBC Nightly News. Her inspirational new book, All Things at Once, aims to help women of all ages confront the unique professional and personal challenges they face in key moments of their lives. Joe Scarborough is the host of Morning Joe on MSNBC. He served in the U.S. House of Representatives from 1995 through 2001.