RTCC: A funny thing happened during Australian climate-change professor Chris Turney's venture to retrace a 1912 research expedition in Antarctica and gauge how climate change has affected the continent: Two weeks into a five-week excursion, Turney's good ship MV Akademik Shokalskiy got trapped in ice. It turns out, global warming notwithstanding, that there's so much ice down under that two ice-breaking vessels sent to rescue the research team cannot reach the Australasian Antarctic Expedition. Years...