So much for all the talk of a Moscow Spring. Despite sporadic street protests and the stirrings of middle-class rebellion, Vladimir Putin is back in the Kremlin and Russia's economic and political status quo remains intact.

Why do liberal opponents of Putin struggle to gain traction? HARDtalk's Stephen Sackur speaks to Grigory Yavlinsky, economist, reformer and a veteran leader of one of Russia's liberal opposition parties.

You can watch the whole interview on BBC World at 03:30, 08:30, 1530, and 2030 GMT on Tuesday, 22 May 2012 and on BBC News Channel on 04:30 BST on Tuesday, 22 May 2012 and 00:30 BST on Wednesday, 23 May 2012.

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