The Baseball Crank has a pretty good analysis of the Clinton-Bush response to terror prior to 9/11. Key graf:

Bottom line: yes, in hindsight, both the Bush and Clinton Administrations, with more foresight, could have done more on both counts [Iraq and al-Qaeda]. Yes, they should have done more. Yes, I hand Clinton the larger share of the blame, at least as far as the failure to develop a long-range offensive strategy is concerned – whereas it appears that Bush was at least thinking in that direction. On the defensive question (i.e., having the homeland on alert), there’s less to fault Clinton and a bit to question about Bush, but I regard the failings as mostly institutional – the problem was the inability to pursue evidentiary leads and get urgent warnings up the ladder, rather than a failure of leadership.

Elsewhere: The Belgravia Dispatch finds The New Republic in November 2001 saying much different things about Richard Clarke than it is today (scroll down to “Interesting Update” – link via Glenn Reynolds), while Steven Taylor and Dan Drezner, as always, have interesting things to say.