These heroic carnitas run the gamut from soft and juicy to crunchy and caramelized, and it’s that textural balance — equal parts puffy chicharrón, chewy skin, and shreddy pulled pork — that sets apart Don Pedro’s version of the classic Mexican street food. The richness of it all — amplified by onions, cilantro, salsa, and lime — can barely be contained in something as modest as a warm tortilla.