Lake Charles, La. floodmay be 100-year rainfallDoyle RiceUSA TODAYFlood watches and warnings remained in effect Tuesday for portions of the south-central USA after a day of torrential rain that left houses and streets flooded and cars stranded.The National Weather Service said more than 30 million people are threatened by flooding this week across parts of Texas, Louisiana, Oklahoma and Arkansas, an event Accuweather called “historic.”“Rounds of rain and thunderstorms have inundated much of the southcentral U.S. since Monday, especially for many in Texas and Louisiana, and relief is not expected until late this week,” AccuWeather meteorologist Adam Sad-vary said.Louisiana was hit especially hardUnivercondeiattackLG BTCLetter says ’ arrived, theAsha C. GilbertUSA TODAYBucknell Unive the acts of male tempted to brea house.The university] on its website ack dent took place in approached a h housed the Tau K nity until the groi years ago.“We write to ac demn a horrific in last night at TowiParents use boats to pick up students from schools after nearly a foot of rain