WASHINGTON - Pentagon officials say white phosphorous was used as a weapon against insurgent strongholds during the battle of Fallujah last November, but deny an Italian television news report that it was used against civilians. Lt. Col. Barry Venable, a Pentagon spokesman, said Tuesday that while white phosphorous is most frequently used to mark targets or obscure a position, it was used at times in Fallujah as an incendiary weapon against enemy combatants. White phosphorous is a colorless-to-yellow translucent wax-like substance with a pungent, garlic-like smell. The form used by the military ignites once it is exposed to oxygen, producing...