It may be that McCain and Rudy are dividing the same pool of
voters and neither will best Romney. How firm you think Romney's
lead is depends in part on whether you believe the results in Iowa
will affect NH. Thompson, however, seems likely to finish an
embarrassing 6th having declared he won't be coming back to the
state.(Sort of like McCain saying in the Iowa debate he's opposed
to ag subsidies-- ensures a wipe out but also an excuse when you
lose big.)