Lost At Sea
Soooooo, just how did Tom Hanks manage to be stuck on that island for so long? And how do all those people on the Lost TV show manage to stay lost?
To see just how difficult that is here is a site that tracks every ship at sea. If you want to see the global economy at work, and get a sense of just how impossible it is to really secure ports of entry, check it out. [Click on any point and you can see exactly where any ship is in real time anywhere in the world.] Here is the link.