IRAQ UNTIL THE NEXT COUP FOR A WHILE LAST WEEK IT SEEMED IMPOSSIBLE TO TELL WHO WAS UP AND WHO WAS DOWN IN IRAQ . PERHAPS THE PRINCIPALS THEMSELVES WERE NOT SURE . TWO WEEKS AGO, THE BAATH PARTY (TIME, NOV . 22) SEEMED FIRMLY IN CONTROL . THE COUNTRY'S NON-BAATHIST PRESIDENT, FIELD MARSHAL ABDUL SALAM AREF, SEEMED A MERE FIGUREHEAD, KEPT ON FOR HIS PRESTIGE AND POPULARITY . THEN AN INTERNECINE CONFLICT ERUPTED BETWEEN BAATH'S ANTI-WESTERN, ANTI-BOURGEOIS AND ANTI-AREF RADICAL WING AND A MORE CONCILIATORY MODERATE FACTION . RUSHING IN FROM NEIGHBORING SYRIA, THE BAATH PARTY'S HOME BASE, THE PARTY CENTRAL COMMITTEE UNDER MICHEL AFLAK APPEARED TO SETTLE THE MATTER BY EXILING THE LEADERS OF THE OPPOSING FACTIONS . ALTHOUGH SYRIAN-DOMINATED, THE PARTY LEADERS TOOK CHARGE IN IRAQ, PLACED AREF UNDER PALACE ARREST AND TURNED BAGHDAD OVER TO THE NATIONAL GUARD, A BAATH-LED OUTFIT FOR WHICH THE REGULAR ARMY HAS CONTEMPT . WHEN THE BAATH BOSSES OVERCONFIDENTLY RELEASED AREF A FEW DAYS LATER, HE PROMPTLY JOINED WITH ANGRY FELLOW OFFICERS TO HEAD A COUP . AT DAWN ONE MORNING LAST WEEK, THE ARMY ATTACKED BAGHDAD WITH SIX INFANTRY BATTALIONS, SUPPORTED BY ARMOR, ARTILLERY AND JETS . THOUGH THE NATIONAL GUARD HAD NO HEAVY WEAPONS, THEY FOUGHT DESPERATELY, LOST HUNDREDS OF MEN . THREE DAYS AFTER THE REVOLT, BAGHDAD WAS IN AREF'S HANDS . SINCE THE BAATH PARTY IS NASSER'S ARCHENEMY, THE COUP WAS AT FIRST HAILED IN EGYPT AS PRO-NASSER . IT WAS ALSO DENOUNCED IN SYRIA AS ANTI-BAATH . BOTH CONCLUSIONS MAY BE PREMATURE . THE COUP LOOKED MORE LIKE A MILITARY THAN A POLITICAL AFFAIR, DESIGNED TO PURGE IRAQ OF BAATH ELEMENTS WHO HAD HAD THE TEMERITY TO DOWNGRADE THE ARMY IN FAVOR OF THE NATIONAL GUARD . THOUGH HE PACKED THE SYRIAN BAATH LEADERS OFF TO DAMASCUS, AREF INCLUDED IN HIS NEW CABINET NINE MODERATE BAATHISTS . STILL, THE MIDDLE EAST BEING WHAT IT IS, AREF MAY WELL JOIN WITH NASSER, AN OLD FRIEND, TO OVERTHROW THE BAATH LEADERSHIP IN SYRIA . EVEN MORE LIKELY, THE BAATH LEADERSHIP WILL TRY TO OVERTHROW AREF . JUST ABOUT THE ONLY CERTAINTY IN THE SITUATION IS THAT THERE IS BOUND TO BE ANOTHER COUP, IN BAGHDAD OR IN DAMASCUS, IF NOT BOTH .