LAWRENCEVILLE, Ga. (AP) — Jennifer Wilbanks, who became known as the "runaway bride" after taking off just days before her lavish wedding in 2005, is suing her former fiance for $500,000. Wilbanks and John Mason broke up for good in May, about a year after her excursion to Las Vegas and New Mexico made international headlines while hundreds of friends and family members searched for her back home in suburban Atlanta. Mason has until Oct. 22 to respond to the lawsuit, filed last month in Gwinnett County's Superior Court. The suit, Wilbanks vs. JCM Consulting et al, was filed Sept....