Tschudi Shipping Co., one of Norway's oldest shipping firms, will begin exploring the possibility of establishing a transshipment port in western Alaska, Lt. Governor Mead Treadwell said today. Treadwell, who leads the state's work with the eight-nation Arctic Council, applauded Tschudi's decision, saying it is a tremendous step toward developing Alaska's economic opportunities related to Arctic shipping. Tschudi Shipping Co. is owned and operated by the fourth generation of the Tschudi family and operates shipping…