[link|http://www.washingtonpost.com/wp-dyn/content/article/2006/04/13/AR2006041301238.html|Ignatius] said in April:
Rumsfeld's replacement should be someone who can help restore a bipartisan consensus for a sensible Iraq policy. One obvious candidate would be the centrist Democrat Sen. Joe Lieberman. Another would be a centrist Republican with military experience, such as Sen. Chuck Hagel or Sen. John McCain. The administration would have to swallow its pride to take any of them on board, but that's the point: Without bold moves from the White House, support for the war will continue to slip away.
I don't think any of those fellows would be good choices - they have too much current Senate baggage. Moving a Congressman to CIA made a mess of things, [link|http://www.cnn.com/2006/POLITICS/05/06/goss.resignation/|as we know]. Someone like [link|http://en.wikipedia.org/wiki/Sam_Nunn|Sam Nunn] might be a good choice, but it's hard to see Bush picking someone with that much stature.
Cheers,
Scott.