Mark Krikorian

About the author: Mark Krikorian is executive director of the Center for Immigration Studies, a think tank based in Washington, D.C.

Immigration and border controls are a vital aspect of homeland security. However, the huge levels of immigration throughout the 1990s and since 2000 have overwhelmed the agencies charged with ensuring that suspected terrorists do not enter the United States. In addition, terrorists take advantage of large immigrant populations in the United States, hiding in immigrant communities and even recruiting other terrorists from these communities. For these reasons, restricting Arab or Muslim immigration to the United States would help prevent terrorists from entering the United States—but such a policy would also be discriminatory. Therefore, in the interest of homeland security, the sheer volume of overall immigration...