CIA scandal complicates Obama reshuffle

The sex scandal that felled CIA Director David Petraeus widened to ensnare the top US commander in Afghanistan, an improbable drama unfolding at a critical time in the Afghan war effort and just as President Barack Obama was hoping for a smooth transition in his national security team.

The suddenly public story – by turns tragic and silly – involves a Florida socialite, a jealous rival, a twin sister in a messy custody dispute and flirty emails.