Photo courtesy of KPRCWendy CoronaFormer KPRC Channel 2 anchorwoman Wendy Corona is suing her former news station, alleging breach of contract and defamation. According to the lawsuit recently filed in Harris County District Court, Corona signed a four-year contract with KPRC starting in April 2006. The contract allowed the station to fire Corona after the first two years as long as they gave her at least 90 days written notice.On January 5, a general manager at the station told Corona she had b