When politicians have trouble spinning their own glories, that’s a problem. So it was bizarre that Hillary Rodham Clinton, asked at a forum in April about her legacy at the State Department, had trouble articulating it. That feeds into a narrative — awaiting her memoir on Tuesday — that she may have been glamorous as secretary of state but didn’t actually accomplish much. In fact, that’s dead wrong, for Clinton achieved a great deal and left a hefty legacy — just not the traditional kind.... No, her legacy is different. For starters, Clinton recognized that our future.... More fundamentally, Clinton...