These kids are smoking up the internet with their fiery dance moves. Edwin Sorto teaches dance among other skills to children in Washington, D.C., but he had no idea this video of his students doing the "La Demanda" challenge would get such an incredible response. Doing "La Demanda" can be demanding. It requires coordination and finesse, as dancers move to the Latin pop song of the same name. InsideEdition.com's Mara Montalbano has more.