"It was a great night for Mexico, as usual." Donald Trump's words about Alejandro Gonzalez Inarritu on Oscars' night 2014 were a preview of his now-notorious attitude toward Mexicans: "He's walking away with all the gold? Was it that good? I don't hear that. It was certainly a big night for them." Although the future president's comments were offensive, for scholars interested in transnational film and literature, his words were themselves pure gold. For they raise questions about "nation" as a category of representation. When we invoke "Mexican cinema," for example, we imply that...