Donald Trump could erase Obama's legacy almost as soon as he takes office

Win McNamee/Getty Images President-elect Donald Trump's victory on Election Day has putsomeof President Barack Obama's hallmark achievements in jeopardy. Trump has come out strongly against almost allof thetop initiatives Obama spent eight years working on — the Asia pivot, the Trans-Pacific Partnership trade pact, Obamacare, and the Iran nuclear deal — and they're fragile enough that Trump could reverse course fairly easily. "You have an outsider president being replaced by the most outside...