(ABC News) As he left his Marine One helicopter Wednesday evening and walked to the residence of the White House, President Obama did not respond to a question shouted out by ABC News’s Mary Bruce about when he would begin to provide answers to the numerous questions building up about what exactly what went wrong in Benghazi, Libya, on September 11, 2012.

The president smiled and continued walking.

Perhaps he couldn’t hear the question over the din of the chopper’s blades, but either way the smile and wave – almost Reagan-esque in style – underline the apparent strategy the president specifically and his administration in general have seemed to adopt when it comes to the myriad inquiries about the decisions that led to the deaths of four Americans, including U.S. Ambassador Chris Stevens: they are deferring detailed answers to the investigation and – critics say –running out the clock until Election Day.

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