U.S. homeland security

U.S. homeland security
What do you see as the most significant threats to U.S. homeland security? What makes them significant? Discuss the degree to which the U.S. is prepared to address these threats. Include a discussion of the specific policies and procedures put in place to prevent, prepare, and respond to these threats. Discuss why these might work, and discuss why they might not. What aspects of the American political system will be challenges to these policies and procedures