National Public Radio: Steven Chu, a renowned physicist and green-energy advocate, has reportedly been tapped by President-elect Barack Obama to run the federal Department of Energy. Chu runs the DOE’s Lawrence Berkeley National Laboratory in California, and he has made climate change the new centerpiece of his career. Chu’s resume contains an item never before seen on a DOE director’s CV: a Nobel Prize in physics. Chu, who comes from an immigrant family of scientists, shared the prize with two other …