Christopher Orr, the Atlantic Like Villeneuve’s recent films Sicario and Prisoners , the movie is at once evocative and mysterious. As events unspool, we can sense that—like Louise with the heptapods—we do not entirely comprehend them. (We are correct in this.) As she and Ian try to decode the creatures’ language, they are constrained in their efforts by Colonel Weber and, especially, a CIA agent named Halpern (Michael Stuhlbarg). Until we know more of the aliens’ intentions—conquest? tourism? cup of sugar?—Weber and Halpern are greatly concerned that we do not accidentally teach them more about ourselves than we learn about them. Moreover, there are geopolitics to consider. Eleven other craft hover elsewhere on Earth: Shanghai, Siberia, Sudan, Sierre Leone, and even a few places not starting with “s.” What if China or Russia makes a breakthrough with the aliens first and uses what it learns against the United States? What if shots are fired, bringing alien wrat...