Here is a chilling and potentially lethal fact of life: A person on the F.B.I.'s terrorist watch list is barred from boarding an airplane yet is quite free to buy high-power firearms and ammunition at any American gun shop. This bizarre "terror gap" is starkly underlined by the latest federal data showing that 272 individuals on the terrorist watch list attempted to buy firearms last year, and all but 25 were cleared to make purchases. Those rejected had records for... (GunPolicy.org)