NEW : Deal would permit non-U.S. troops to stay into 2009 . NEW : Agreement would set July 31 withdrawal deadline for those troops . Beginning New Year 's Day , U.S. commanders will have to get prior Iraqi government approval for any operations . Comment: Sadrists oppose any extension of the presence of foreign troops in Iraq .
NEW : Deal would permit non-U.S. troops to stay into 2009 . NEW : Agreement would set July 31 withdrawal deadline for those troops . Comment: Sadrists oppose any extension of the presence of foreign troops in Iraq .