Ron - We can make a long list of things that McCain has gotten himself involved in with an eye on a presidential run going back at least as far as the year 2000.
                      He's been trying to negotiate a middle-of-the-road position on anything that might bring him political heat in a general election. If he's successful in gaining the nomination, it will probably work for him. If not, it's going to be interesting to see what he does as a senator.