Reuters: Insisting on the need to develop new forms of energy, U.S. President-elect Barack Obama on Monday chose as his energy secretary a Nobel physics laureate who is a major promoter of alternative fuels. Obama named Steven Chu, the winner of the 1997 Nobel Prize in physics who was an early advocate for finding scientific solutions to climate change, to head the Energy Department. Chu will work closely with former Environmental Protection Agency head Carol Browner, whom Obama named …