Why are W's shills still on TV?

... okay, I sort of get Cheney on Fox with Chris Wallace.

But why is Tom Ridge on Rachel Maddow? ... disavowing the 'politicization' of terror alerts - which his recent book asserted.

A note to producers & programmers: the current administration is Obama's - with a Dem House & Senate.
W had his moment of glory, such as it was.