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US Secretary of State Hillary Rodham Clinton, left, and Norway's Minister of Foreign Affairs Jonas Gahr Stoere, right, look at a map with First Officer Inge Einar Berg, center, aboard the Arctic Research Vessel Helmer Hanssen during a boat tour of the coastline, off the coast of Tromso, Norway, Saturday June 2, 2012. (AP Photo/Saul Loeb, Pool)

US Secretary of State Hillary Rodham Clinton, left, and Norway's Minister of Foreign Affairs Jonas Gahr Stoere, right, look at a map with First Officer Inge Einar Berg, center, aboard the Arctic Research Vessel Helmer Hanssen during a boat tour of the coastline, off the coast of Tromso, Norway, Saturday June 2, 2012. (AP Photo/Saul Loeb, Pool)

Clinton Arctic visit

US Secretary of State Hillary Clinton took a first hand look Saturday, June 2, at the way a warming climate is changing the Arctic, opening a once frozen region to competition for vast oil reserves.