A dispute among Jefferson Parish officials over a bus advertising contract has erupted into a political firestorm, revealing bitter divisions that could define the balance of power in Louisiana's most populous coastal parish. At the center of the dust-up is Jefferson Parish at-large council member Jennifer Van Vrancken, who in a series of social media posts and emails to local GOP activists on Monday portrayed both her council colleagues and Jefferson Parish President Cynthia Lee Sheng as corrupt politicians. Jefferson Parish President Cynthia Lee Sheng joins the Sheriff to give her side.