Lawmakers want information on use of nerve gas in '60s * By David Goldstein, The Kansas City Star * WASHINGTON - Two members of Congress intend to call for an investigation into the secret testing of nerve gas and chemical and biological agents on U.S. servicemen in the 1960s. * Rep. Mike Thompson of California and Sen. Bill Nelson of Florida, both Democrats, plan to introduce legislation in their respective chambers next week, urging that the Pentagon reveal more information about the tests, known as Project SHAD. * "If it's classified, we can deal with classified material," said Nelson,...