Bin Laden May Have Been Killed, but the Threat is Not.

http://www.cbsnews.com/stories/2011/05/11/eveningnews/main20062040.shtml

Homeland security secretary Janet Napolitano claims that the threat of retaliation is strong. As discussed in class, retaliation seems likely and America should tighten its security. The reports of a planned attack on the railroad system could be an indication of another significant attack on the United States and should be used to prevent such tragedies.