Frank Campagna walking past the old Good Latimer Tunnel murals in a scene from Dig Deep​The Dallas Video Festival kicks off today at the Angelika Film Center -- we'll sneak peek a few offerings as it unspools over the coming days. But I did want to mention one highlight, titled Dig Deep, as it's probably the festival offering most likely to connect with locals. After all, this is director Mark Birnbaum's and Manny Mendoza's 8:38-long look at Frank Campagna, proprietor of Kettle Art and keeper