In light of the bipartisan enthusiasm that has met this rumor, it might seem churlish to recall that Clinton has little foreign policy experience. You might remember the who-has-less-foreign-policy-experience debate during the primary; if you don't, click here for a sobering reminder.
It's not as though the Democrats lack qualified people. Take the rusty-nail-and-broken-glass-chewing Richard Holbrooke, who would be a good choice notwithstanding the Nobel peace prize nominations he has received. Holbrooke has his detractors, but his performance in the Bosnian crisis was impressive and he has tremendous experience. Unfortunately, he backed the wrong horse; now the horse will get the job that he deserves.