This week on Inside the Arts, Carnival revelry kicks into high gear as Mardi Gras is here! We’ll explore adventures along the parade route. Food writer Ian McNulty looks at a new variety of king cakes. Reporter Betsy Shepherd has an eye on Fat Tuesday’s environmental impact. And, WYES TV host Peggy Scott Laborde joins us with a preview of the LIVE broadcast of the Rex Ball and the Meeting of the Courts of Rex and Comus. Airs Tuesdays at 1:00 p.m., Wednesdays at 8:30 p.m., and Thursdays at 8:45 a