Weekend Today coanchor Campbell Brown announced Sunday that she's pregnant. While Brown didn't mention a due date, it's widely believed inside NBC News that she'll be at another network by the time the baby is born. Brown's contract with NBC is up at the end of July. Word is she's headed to CNN for more money and a nightly broadcast of her own. Brown, 39, is married to Dan Senor, a former advisor to the U.S. presidential envoy to Iraq and is now a Fox News Channel contributor. - Reporting by Stephen Battaglio