Hardened and Open Border Paradox

 Discussion Questions: Is it cost effective from a risk analysis perspective to spend billions of dollars in an effort to stop a hand-full of people” who are bound to terrorize the United States? What is the “Hardened Border Paradox? What is the “Open Border Paradox? How can both be overcome? Compare and Contrast the two. 

Response needs to be 350 word minimum and the links below are the sources required to be utilized. APA style references required.