Pig on a plane?! Airline passengers abusing rules so pets fly for free05:03
What if you boarded a plane to discover that a miniature horse or a kangaroo was sitting next to you, encroaching on your space? It turns out airline passengers can bring almost any animal onto a plane, as long as they're certified as an emotional support animal. NBC’s Jeff Rossen investigates this system, and its potential for abuse, on TODAY.