New Scientist: Barack Obama’s growing all-star science team is poised to pick up another heavy hitter. As first reported in the blog ScienceInsider, the president-elect will nominate John P Holdren of Harvard University to be his science adviser and director of the Office of Science and Technology Policy. On paper, Holdren is not exactly a radical departure from previous holders of the office. A physicist with expertise in nuclear arms control, he was a member of President Bill Clinton’s science and …