Department of Homeland Security Secretary Janet Napolitano will launch the first phase of DHS’s nationwide “See Something, Say Something” campaign and announce a new national information-sharing partnership with Amtrak during a whistlestop train tour through New York City, Newark, N.J., Philadelphia and Washington on Thursday, July 1 -- highlighting the public’s important role in keeping our country safe from all threats and the Obama administration’s progress in bolstering surface transportation security.