Gustavo Arellano On Taco USA, Loving Tex-Mex and Puffy Tacos January 9, 2013 by Garrett Heath Gustavo Arellano, writer behind the syndicated column ¡Ask a Mexican! and author of Taco USA, discusses his book, Tex-Mex, puffy tacos and where to eat in SA. Pages: Page 1 Page 2 Page 3 Page 4