...[T]he price for renegotiated cooperation/alliance with the U.S. is reduced by half the minute anybody but Bush-Cheney sit in the White House. I think, much like the Carter-to-Reagan shift, there will be such relief abroad in seeing the isolated, much-despised president leave office that it'll be 50 percent off the top on everything. Why? Everyone will want a reasonable, deal-making America back.
To that end, the only candidates who worry me are Edwards and McCain. The former because his pandering in all directions will constrain him too much if elected (my guess, if he were to look good, Gore would pre-empt), the latter because he too confuses being stubborn with being resolute and because his view of potential allies is hopelessly stuck in the past.
The downside opinion on fostering sectarian (read: anti-Iranian) violence (Thomas P.M. Barnett weblog)