https://www.jihadwatch.org/2005/03/google-advertises-hamas?redirectTo=https%3A%2F%2Fwww.tumblr.com%2Fwidgets%2Fshare%2Ftool%3FshareSource%3Dlegacy&canonicalUrl&url=https%3A%2F%2Fwww.jihadwatch.org%2F2007%2F09%2Fchertoff-says-colleges-should-keep-tabs-on-foreign-students&title=Chertoff%20Says%20Colleges%20Should%20Keep%20Tabs%20On%20Foreign%20Students