Should Ehud Barak Head Mossad?

With Meir Dagan approaching the end of his term as chief of Mossad, there's been considerable speculation about his replacement. Under Dagan, there's been considerable turnover among the deputies, with several senior figures resigning or being reassigned, and now, according to Amir Oren in today's Ha'aretz, neither Shin Bet Chief Yuval Diskin or Military Intelligence Chief Amos Yadlin is eager to take the job. So Oren, after discussing the strengths and weaknesses of Diskin and Yadlin, suggests (perhaps with some encouragement?) another candidate: Ehud Barak. Barak, the current Defense Minister, was an intelligence professional and special operator before he was a politician.

This may just be a trial balloon, but I thought I'd call it to your attention.