Katie Couric was born on the 7th January 1957 in Arlington, Virginia USA. She is a journalist who became well known as co-host of the top rated NBC's Today, a morning show. In 2006, she made a highly publicised move from NBC to CBS, and on the 5th September 2005 she became the first woman to solo-anchor the weekday evening news on one of the three traditional US broadcast networks (ABC, CBS and NBC). She currently serves as the anchor and managing editor of the CBS Evening News. In 1990, she joined Today as national correspondent, becoming a substitute co-host in February 1991 when Deborah Norville had a baby. Norville never returned and Couric became permanent co-anchor in April, 1991. In 1992, she became co-anchor, of "NBC Now" an evening time weekly TV newsmagazine with Tom Brokaw, which was later cancelled and folded into part of Dateline NBC, where her reports appeared regularly and she was named contributing anchor. She remained at Today and NBC News until the end of May 2006, when she announced that she would be going to CBS to anchor the CBS Evening News.