I’m David L. Coddon, and here’s your guide to all things essential in San Diego’s arts and culture this week. Society, indeed a world, cannot be understood in only 10 minutes. But it can, with all its crises and complexities, be placed in powerful perspective. In Alyce Smith Cooper’s and Shammy Dee’s “Spittin’ Truth to Power While Light Leaping for the People,” three short videos composed of storytelling, poetry and music coalesce to make an urgent intergenerational statement about where we are, where we’ve been and where we’re headed. The three-part video experience is a