Someone looking to smuggle something in have a plethora of options, like the mail. Or buying a local burner phone and putting apps and contacts on that from th

Someone looking to smuggle something in have a plethora of options, like the mail. Or buying a local burner phone and putting apps and contacts on that from the web. Or putting a hidden partition on the phone TrueCrypt style. Or spending 5 minutes thinking about the problem and taking some action. All the terror attacks involving foreign nationals here in the US involved months of time. Presuming this is a real rule and not a piece of political showmanship this rule wouldn't have stopped any attack. Presuming this is a piece of political showmanship and not a rule, it can be quietly ignored and used to attract votes from xenophobes.