Betsy B. Baker and Sarah Mooney (Vermont): The Legal Status of Arctic Sea Ice in the United States and Canada. Donald Abelson reviews Canada/US and Other Unfriendly Relations Before and After 9/11 by Patricia Molloy. Shikha Dalmia on what Canada can teach the U.S. about immigration. Judith Jesch reviews In Search of First Contact: The Vikings of Vinland, the Peoples of the Dawnland, and the Anglo-American Anxiety of Discovery by Annette Kolodny (and more). Vikings and Native Americans: Following a subtle trail of artifacts, a Canadian archaeologist searches for a lost chapter of New World history. Nancy Langston reviews An Environmental History of the Mississippi and Its Peoples, from Hernando de Soto to Hurricane Katrina by Christopher Morris. We are all treaty people: A movement called #IdleNoMore is sweeping across Canada and into the United States — where did this movement come from, and where is it going? Postcards from the coast: Scott Conarroe is on the edge of North America. Worthwhile Canadian Coolness: Sorry, America — your northern neighbor is hipper than you. Here is a map of every person in the U.S. and Canada — you may yourself among the 341,817,095 dots on the map. Matt Soniak on the little bit of Minnesota that could have gone Canadian.