WASHINGTON - The government proposed a third version of its airline passenger pre-screening program Thursday, stripped of controversial data mining elements that had aroused privacy concerns and blocked earlier versions. At the same time, Homeland Security Secretary Michael Chertoff announced that starting six months from now airlines operating international flights will be required to send the government their passenger list data before the planes take off rather than afterwards, as is now the case. The early sharing of passenger information was designed to give U.S. authorities more time to identify and remove from flights suspected terrorists like Richard Reid, who...