Preliminary tests done on a number of canisters found in Afghanistan and thought to contain weapons of mass destruction have come back negative, the head of U.S. Central Command said today. "We have done preliminary screening on those canisters," Gen. Tommy Franks told reporters during a press conference at CENTCOM headquarters in Tampa, FL, adding that officials "did not find anything that immediately alarmed us, but we have removed them and brought them back to some laboratories for work here...
