As linked on Eschaton, among other places...
The right would like to set up the following argument: If there are no attacks between now and the election, then Bush has defended us from terror and deserves re-election; if there is an attack between now and the election, then voting for Kerry would be appeasement.
Spain is just the dry-run.
I agree. That's why I think David Brooks is full of crap. Sorry, Nolen.
The NYT editorial for today sums it up nicely, I think.