Why QE2 will continue

Fed has made hints that QE2 is ending.
here are some arguments that says it will continue. in summary, QE2 keeps long rates down and Uncle Sam can't afford a tick up in rates.
http://video.cnbc.com/gallery/?video=1937291737#eyJ2aWQiOiIxOTM3MjY5ODkwIiwiZW5jVmlkIjoiRmJHZWZhZm45ZUZBMUNQOTVDZ284dz09IiwidlRhYiI6ImluZm8iLCJ2UGFnZSI6IiIsImdOYXYiOlsiwqBMYXRlc3QgVmlkZW8iXSwiZ1NlY3QiOiJBTEwiLCJnUGFnZSI6IjEiLCJzeW0iOiIiLCJzZWFyY2giOiIifQ==
here are some arguments that says it will continue. in summary, QE2 keeps long rates down and Uncle Sam can't afford a tick up in rates.
http://video.cnbc.com/gallery/?video=1937291737#eyJ2aWQiOiIxOTM3MjY5ODkwIiwiZW5jVmlkIjoiRmJHZWZhZm45ZUZBMUNQOTVDZ284dz09IiwidlRhYiI6ImluZm8iLCJ2UGFnZSI6IiIsImdOYXYiOlsiwqBMYXRlc3QgVmlkZW8iXSwiZ1NlY3QiOiJBTEwiLCJnUGFnZSI6IjEiLCJzeW0iOiIiLCJzZWFyY2giOiIifQ==