Thanks, this is the best writing yet on this subject.
I think it's the best too. Barone has a way of explaining the entire subject, without making your eyes glaze over. I believe he's got it right too, that Colin Powell is the likely leaker.
I especially enjoy how Barone's clear, very fair appraisal of the situation, (with intelligent background), contrasts with Chris Matthews' hysterical, over the top, conspiratorial rants about "rolling disclosures".
Besides being a rabid partisan, Matthews is careless and impatient, often very quick to make judgements and pronouncements based mostly on wishful thinking. The exact opposite of Michael Barone.