Could happen, according to the New York Times. Dan Rather has been frustrated by his role on 60 Minutes as of late and is looking to leave CBS soon, enter our deep-pocketed friend Mark Cuban. He is apparently offering Rather his own hour long news show on HDNet, and the opportunity to be the first big name in high definition news. For his part, Rather says he hopes to take advantage of it. News programming in high-def has been very slow to roll out and such a big name jumping in could provide some needed attention to get the ball rolling.
[Via Digital TV Facts