A lone surma, a Ukrainian folk trumpet, blares a Cossack military call. It is followed by the pounding of lytavras, or Cossack kettledrums. Another surma joins in to repeat the call, raising to a ...

The contrast couldn't have been greater: the protest band Pussy Riot in colorful ski masks and mini dresses, attempting to film a segment for a new video on Sochi's waterfront; and Cossacks in ...