Barack Obama formally nominated US Sen. Ken Salazar (D-Colo.) on Dec. 17 to lead what the president-elect termed a “deeply troubled” Department of the Interior. He praised Salazar’s ability to bring groups with opposing viewpoints together to reach solutions.He also named former Iowa Gov. Tom Vilsack as agriculture secretary. “Tom understands that the solution to our energy crisis will be found not in oil fields abroad but in our farm fields at home,” Obama noted and said the two men would “work with others to develop a new US energy economy that relies more on domestic alternative and renewable resources and less on foreign oil.”Saying he wants &...