Back in late March and early April, when we first heard the terrifying tale of two shifty, hapless carrier pigeons intercepted while attempting to smuggle cellphone parts to inmates in a high-security Brazilian prison, we thought it was merely an isolated incident. Well, now that another pigeon has been caught -- this time outside a Columbian prison with a tiny suitcase full of cellphone components strapped to its back -- we have to face the truth: carrier pigeons are probably evil by nature. The Columbian authorities say that the pigeons are likely being raised inside the prison, then sent to the outside to collect th