This week on Inside the Arts, as the city's tricentennial year winds down, a 3-day conference explores improvisation and its influence across the arts. It's called Improvisation: New Orleans Gift to the Modern World. Conference organizer, author and philanthropist Randy Fertel joins us. Then, a big win for multi-disciplinary artist José Torres Tama. His Taco Truck Theater project is the subject of a documentary by Rodrigo Dorfman that won Best Louisiana Feature at this year's New Orleans Film