VERMILION PARISH, KATC - Louisiana has joined a growing number of states cracking down on cell phone use in public schools.Governor Jeff Landry signed a bill banning students from having cell phones on their person. Senate Bill 207, authored by Senators Mizell, Edmonds, Henry, Jackson-Andrews, McMath, and Talbot says no students shall possess, on his person, an electronic telecommunication device throughout the instructional day. If a student br…