New Southwest Airlines policy will impact plus-size travelers

Want to get away. Well, now that Southwest flight might cost you double. Literally, you may have to purchase two seats. Come January, Southwest Airlines will require travelers to purchase two seats if you quote encroach upon the neighboring seat.So, purchase your seat in advance, they say. And the armrest they're calling the definitive boundaries. If you can't fit between the armrest, this applies to you.Under the current policy, passengers can request an extra seat at the airport or you can book an extra s ...