Robert Gates, who was defense secretary under Obama, likes and admires Clinton. But when she pressed Obama to bomb Moammar Gadhafi's forces — which Landler says Obama probably would not have done otherwise — Gates resisted, arguing that Libya was not a vital U.S. interest and that there was no telling what would happen next. "In meetings, I would ask, 'Can I just finish the two wars we're already in before you go looking for new ones?'" he wrote later.