The State Department has lifted a ban on exports of night-vision equipment that was imposed in 2007 on a U.S. company caught selling sensitive defense articles to China and other countries without a license. Meanwhile, two key U.S. senators on Tuesday wrote to Gen. James L. Jones, the White House national security adviser, warning that the Obama administration's plan to loosen controls on exports of sensitive goods and technology could undermine national security. ...Three years ago, the State Department said ITT had sold sensitive information to China, Singapore and Britain for night-vision systems without proper export licenses, violating the Arms...