BUSH'S WARS: MORE EXPENSIVE THAN VIETNAM. Now here's a way Dems can argue against a possible war with Iran. Not long ago, during this site's informal debate about how Dems should handle the Iran question, Ezra rightly suggested that Dems level with Americans about the cost -- human and monetary -- of Iraq and potentially of Iran. Now we have new info that helps us make that case -- on the financial end, anyway -- in a devastatingly simple and convincing way. Check out the Washington Post article about a new Congressional Research Service study of war costs that Matt flagged below. From the piece: When factoring in costs of the war in Afghanistan, the $811 billion total for both wars would have far exceeded the inflation-adjusted $549 billion cost of the Vietnam War. ( Emphasis added. ) Bush is set to spend more on his wars than the cost of the entire Vietnam War. Yes, yes, I know, adjusted for inflation. Still, that was clearly the news in the CRS report. The Post buried the lede...