Popular U.S. pizza chain Papa John's faces a $250 million class-action lawsuit for blasting customers with illegal text messages. The plaintiffs allege that Papa John's (PZZA) franchises sent customers a total of 500,000 unwanted messages in early 2010. The spam texts offered deals for pizza, and some customers complained they were getting 15 or 16 texts in a row, even during the middle of the nig