After Boston suspects ID 'd , politicians start blaming immigration system . If only the United States could put that system into place , bad people would never be admitted to the country . Alden : Perfect immigration is impossible and would n't have prevented the bombings . The U.S. ca n't concern itself with better screening or by keeping terrorists out . We support immigration reform , but must be realistic about what it can and can n't do .
After Boston suspects ID 'd , politicians start blaming immigration system . Alden : Perfect immigration is impossible and would n't have prevented the bombings . The U.S. ca n't concern itself with better screening or by keeping terrorists out . We support immigration reform , but must be realistic about what it can and can n't do .