WASHINGTON (AP) - American troops could still be in Iraq four years from now, the war's former commander told members of Congress concerned about persistent, deadly attacks. The number of U.S. troops in Iraq probably won't decline significantly from the current 148,000 until sometime next year, Gen. Tommy Franks said Thursday. The kinds of hit-and-run attacks that killed two American soldiers Wednesday will continue, he warned. "We need to not develop an expectation that all of these difficulties will go away in one month or two months or three months," Franks told the House Armed Services Committee. "I anticipate we'll...