LSU Law Professor Phillip Hackney on his New York Times editorial calling for a criminal investigation of President Trump and his tax obligations. (Pictured)   LSU Professor Joseph Giame on the Laser Interferometer Gravitational Waver Oberservatory being designated a historic physics site.   Singer Phillip Manuel and bass player Bill Grimes on their Thursday performance at the LSU Music School.   Advocate reporter Tyler Bridges on the latest developments regarding the special legislative session.