The next phase of Chris Christie’s bridge scandal has arrived, and it won’t end quickly. It’s the legal battle – subpoenas, documents, testimony and more. To complicate things, it’ll occur across several fronts: legislative and judicial; state and federal; Lane closures on the GWB and alleged suggestions of trading Hurricane Sandy funds for Hoboken development projects.With so many competing players, goals and possible outcomes, what will the next legal and political steps look like? And how long might they last?Few people analyze and explain the intersection of law and politics more clearly than Jeffrey Toobin, staff writer at the New Yorker and senior legal analyst at CNN.