THE WAR ON TERRORISM TOOK A STRANGE AND SAD TURN FRIDAY AS AIRLINE OFFICIALS AT O'HARE INTERNATIONAL AIRPORT REFUSED TO LET A 73-YEAR-OLD GRANDMOTHER BOARD HER PLANE AS SHE HAD IN HER POSSESSION TWO, SIX-INCH KNITTING NEEDLES. AUTHORITIES WERE WORRIED THAT SHE MAY KNIT AN AFGHAN.