POLITICO BLOG JAM: Jim Henley sends us over to the new Stand Down blog, which is devoted to opposing the war on Iraq, but with the unique angle that it's a "left-right blog" and aims to involve posters of all kinds of political stripes. That's quite the all-star roster they got there. It should be fun, and a good antidote to the view that warbloggers speak with one voice on this here issue.