Airline sues Web site that helps travelers find 'hidden city' ticketing discounts

Would you "scam" an airline's ticketing policy if it saved $25? $70? $400?A federal lawsuit is bringing public attention to "hidden city" ticketing, the technique of buying an airline ticket between two cities with a connection but ditching the rest of the trip. Say, for example, you want to fly from Boston to San Francisco but notice that a ticket from Boston to Seattle -- with a connection in San Francisco -- is cheaper. Once your flight lands in San Francisco, you prance out of the airport at...