Glenn Greenwald and questions of bias:

Glenn analyzes the debate show last night to expose the important bias inherent in the actual questions that were asked.


http://www.guardian.co.uk/commentisfree/2012/oct/12/raddatz-debate-objectivity

It's the old "When did you stop beating your wife?" problem.  The questions assume as fact things which are usually blatantly wrong, and ask for responses to the question which do not deal with the actual problem.