Liminal things are powerful, even magical by virtue of their falling between the cracks.
They're also suspect, sometimes scary, and usually irresistible. Modified vans, RVs and utility trucks that sit on freshly poured concrete pads or alongside tile patios, these taco wagons line Tucson's better traveled southside and westside streets by the dozens. They are a part of our folk culture, worthy of serious study. They're also purveyors of mighty good eating. A stepvan set under a broad-spreading palo verde, El Marinero boasts a range of seafood cocktails and soups, including a mixed caldo studded with chunks of abalone, scallops, shrimp and vegetables.