American competitiveness and educational achievement are the worry, not an increased threat to national security.The proponents of the Senate immigration amnesty bill are right about one thing: The recent Boston mayhem is largely irrelevant to immigration reform. ItÂ’s unrealistic to think that immigration officials should have divined the young Tsarnaev brothersÂ’ future homicidal plans when the familyÂ’s asylum application was accepted in 2002 or even in 2007, when family members gained legal permanent-resident status. Perhaps the FBIÂ’s interview with Tamerlan Tsarnaev in 2011 for possible connections to Chechen terrorists should have stalled his younger brother DzhokharÂ’s receipt of U.S. citizenship...