WASHINGTON, Sept. 13, 2007 – Today’s assassination of an influential Sunni leader whose followers have been helping fight al Qaeda in Iraq will only bolster the war on insurgents, a chief spokesman of the Iraqi government said today. Ali Aldabbagh spoke with online journalists and “bloggers” via a conference call from Baghdad just hours after a roadside bomb exploded outside the farm of Abdul-Sattar Abu Risha, killing the sheik and two of his aides. Sattar was a “very brave man” who “took the lead to protect the al Anbar and all the worst areas at a time when everybody was...