We can only hope the change will be towards more effective security and intelligence, and not the dog and pony show that we have.
Spiff -- You must be in heaven right now. Ridge, and Aschroft are going going gone. (Yeah I know, loy is still there)
As for a replacement. There are many qualified people out there to run the DHS. My initial guess is that it might be Rudi Giuliani. A no nonsense leader, who is admired by a large portion of the population, and for the most part isn't too far right.