ISLAMABAD/WASHINGTON: Pakistani authorities have reportedly discovered an al Qaeda memo that warns of suicide attackers using weapons of mass destruction on Americans in t he near future. According to the Daily Times , Joseph Farah's G2 Bulletin , an online subscription intelligence news service, says that these attacks will include the use of biological and chemical weapons, and that Pakistan President Pervez Musharraf, under heavy US pressure, has instructed his security and intelligence chiefs to focus on jihadi suicide volunteers because of this emerging threat. Topping the memo's list stands the US, although European countries are also specified as preferred...