by Geoffrey Lean and Severin CarrellThe US is preparing to use the toxic riot-control agents CS gas and pepper spray in Iraq in contravention of the Chemical Weapons Convention, provoking the first split in the Anglo-US alliance. "Calmative" gases, similar to the one that killed 120 hostages in the Moscow theatre siege last year, could also be employed.The convention … [Read more...] about US Prepares to Use Toxic Gases in Iraq