Such a good idea, and It's made an excellent start, it would be great if this got through. Although I can imagine that it would be difficult to keep it air-tigh

Such a good idea, and It's made an excellent start, it would be great if this got through. Although I can imagine that it would be difficult to keep it air-tight to its purpose (as you pointed out with immigration abuse)... but doesn't mean it shouldn't be in effect.