GREAT BRITAIN AND THEN THERE WERE THREE HAROLD MACMILLAN VALIANTLY TRIED TO DIVERT BRITAIN'S MIND FROM SEX AND SECURITY . DISPLAYING SOMETHING LIKE HIS OLD FORM IN THE HOUSE OF COMMONS, HE DELIVERED AN ELOQUENT SPEECH ON PROSPECTS FOR DISARMAMENT AND A SUMMIT CONFERENCE THAT WAS RECEIVED RESPECTFULLY EVEN BY THE OPPOSITION . BUT MACMILLAN'S ELOQUENCE COULD NOT DIMINISH TORY DISTRESS OVER THE THREE SEPARATE SCANDALS THAT PLAGUED HIS GOVERNMENT . FIRST, OF COURSE, WAS THE CONTINUATION OF THE PROFUMO CASE . IN MARYLEBONE MAGISTRATES' COURT, OSTEOPATH STEPHEN WARD, MENTOR OF CHRISTINE KEELER AND FRIEND OF DISGRACED WAR SECRETARY JOHN PROFUMO, WAS ORDERED TO STAND TRIAL ON SEVEN CHARGES OF PROCURING, ARRANGING ABORTIONS, AND LIVING OFF THE EARNINGS OF PROSTITUTION . BY THE CLOSE OF THE THREE-DAY HEARING, MAGISTRATE LEO GRADWELL HAD PERMITTED NUMEROUS WITNESSES TO TESTIFY WITHOUT REVEALING THEIR IDENTITY, EVEN ALLOWED ONE WITNESS TO LEAVE THE COURT SHROUDED IN A TOPCOAT . NEXT, THERE WAS THE CASE OF ITALIAN NUCLEAR PHYSICIST GIUSEPPE ENRICO MARTELLI, WHO DENIED AT THE OLD BAILEY LAST WEEK THAT HE HAD PREPARED TO SPY FOR THE RUSSIANS, SAID THAT ON THE CONTRARY, FOR SEVEN YEARS HE HAD RESISTED RUSSIAN PRESSURE TO BECOME A RED AGENT . BUT THE CROWN CONTENDED THAT MARTELLI WAS CAUGHT WITH SHOES THAT HAD HOLLOWED-OUT SECRET COMPARTMENTS IN THE HEELS AND THAT HIS CIGARETTE PACKAGES CONTAINED WAFER-THIN PADS WITH SECRET CODES AND PASSWORDS . FINALLY, THERE WAS THE CASE OF HAROLD ADRIAN RUSSELL PHILBY, JOURNALIST, EX-FOREIGN OFFICE OFFICIAL, AND BOON COMPANION OF COMMUNIST SPIES GUY BURGESS AND DONALD MACLEAN, WHOSE REAPPEARANCE IN THE NEWS RECALLED THE MOST NOTORIOUS OF BRITAIN'S SEX-AND-SPY SCANDALS . OUT OF SIGHT . " KIM " PHILBY HAD KNOWN BURGESS SINCE UNDERGRADUATE DAYS AT CAMBRIDGE, WELCOMED HIM AS A BOARDER IN HIS HOUSE WHEN BOTH WERE STATIONED AT THE BRITISH EMBASSY IN WASHINGTON IN 1950 . WHEN BURGESS AND MACLEAN ELOPED TO RUSSIA IN 1951, PHILBY WAS FORCED TO RESIGN FROM THE FOREIGN OFFICE AMIDST A FLURRY OF RUMORS THAT HE WAS " THE THIRD MAN " WHO HAD TIPPED THEM OFF THAT THE POLICE WERE ON THEIR TRAIL . LATER, THIS CHARGE WAS INDIGNANTLY DENIED BY HAROLD MACMILLAN, THEN FOREIGN SECRETARY, WHO PERSONALLY VOUCHED FOR PHILBY'S GOOD CHARACTER . THE FOREIGN OFFICE EVEN ASKED THE OBSERVER TO HIRE PHILBY AS A CORRESPONDENT BECAUSE " IT SEEMED UNFAIR THAT SO ABLE A MAN SHOULD BE FINDING DIFFICULTY IN EARNING A LIVING NOW THAT HE HAD CLEARANCE FROM THE FOREIGN SECRETARY . " THE PUBLICATION TOOK THE HINT AND, ALONG WITH THE ECONOMIST, SENT PHILBY TO THE MIDDLE EAST, WHERE HIS FATHER, ST . JOHN PHILBY, THE FAMED ARAB SCHOLAR, HAD SPENT YEARS EXPLORING THE DESERT . BUT LAST JANUARY, BESET WITH FINANCIAL AND ALCOHOL PROBLEMS, PHILBY SUDDENLY DISAPPEARED FROM HIS BEIRUT HOME AND DROPPED OUT OF SIGHT . LAST WEEK, IN THE COMMONS, LORD PRIVY SEAL EDWARD HEATH REVEALED THAT PHILBY HAD SURFACED " IN ONE OF THE COUNTRIES OF THE SOVIET BLOC . " NEW INFORMATION HAD COME TO LIGHT, SAID HEATH, THAT REVEALED THAT PHILBY HAD BEEN A SOVIET AGENT WHILE WORKING FOR THE GOVERNMENT AND IN FACT HAD BEEN THE TIPSTER WHO HAD WARNED BURGESS AND MACLEAN . TO THE HOUSE, MACMILLAN PRAISED BRITAIN'S SECURITY SERVICES FOR COMING UP WITH THE NEW INFORMATION OVERLOOKING THE FACT THAT THEY HAD COTTONED TO IT TWELVE YEARS TOO LATE . CASE OF JITTERS . IN MOSCOW, GUY BURGESS WAS AMUSED BY THE REVELATIONS IN PARLIAMENT . " MARK YOU, MY DEAR BOY, " HE TOLD A REPORTER, " THE LONGER I STAY IN THE SOVIET UNION AND READ ABOUT THE SCANDALS IN ENGLAND, THE MORE GLAD I AM TO BE HERE, THE MORE I BELIEVE THAT ANY CIVILIZED PERSON LIKE PHILBY MIGHT EASILY WANT TO COME HERE . " BUT BURGESS DENIED THAT PHILBY OR ANYONE ELSE HAD WARNED HIM AND MACLEAN THAT THEY WERE UNDER SUSPICION . IN FACT, DECLARED BURGESS, MACLEAN ONLY LEARNED THAT HE WAS BEING TAILED WHEN A LONDON TAXI HE WAS RIDING IN ONE DAY WAS RAMMED IN A TRAFFIC ACCIDENT BY A CARFUL OF BRITISH SECRET SERVICE AGENTS . SUMMING UP " THIS LATEST SCHEMOZZLE " INVOLVING THE BRITISH GOVERNMENT, BURGESS REMARKED : " SOMEONE ONCE SAID, " THERE IS NOTHING SO SQUALID AS A PATRICIAN IN A PANIC.' THE HEAD OF BRITISH SECURITY IS USUALLY A PATRICIAN, AND PANIC SEEMS TO BE UNIVERSAL . " BACK HOME, THE TORIES MIGHT NOT BE PANICKED, BUT THEY WERE SHOWING A BAD CASE OF THE JITTERS . IN TWO BY-ELECTIONS, CONSERVATIVE CANDIDATES FINISHED DISMALLY BEHIND LABOR .