"Conservatives criticized Obama for refusing to release a Justice Department legal opinion that reportedly justified killing Awlaki. They accuse Obama of hypocrisy, noting his administration insisted on publishing Bush-era administration legal memos justifying the use of interrogation techniques many equate with torture, but refused to make public its rationale for killing a citizen without due process."
http://www.reuters.com/article/2011/10/05/us-cia-killlist-idUSTRE79475C20111005
Hope and Change by President Obama:
Waterboarding = Bad.
Just killing the person = Good