washingtonpost.com - BAGHDAD, July 20 -- A Sunni Arab faction suspended participation Wednesday in the crafting of Iraq's constitution, and a Kurdish bloc asserted claim to hundreds of square miles of additional territory stretching south of Baghdad. The two moves presented fresh challenges to efforts to draft a document that proponents hope will help bring order to the chaotic country.{br}{br}View the Entire Article{br}{br}Click Here to Launch in a new Window