Writing in Ethics & International Affairs 22, no. 1, Mathias Risse presented a novel way to think about the problem of immigration in the context of global justice, adopting the standpoint of the common ownership of the earth. His essay can be found on the Carnegie Council website at www.cceia.org/resources/journal/22_1/essays/001.html. The following Exchange is in response to that essay. Ryan Pevnick writes: *
