Nabeel Rajab - President of the Bahrain Centre for Human Rights

A year ago revolution was in the air in the Gulf Kingdom of Bahrain - what about now?

After months of violence which killed dozens of protestors, the Bahraini king commissioned an independent inquiry - then he promised to implement sweeping reforms.

Stephen Sackur speaks to Nabeel Rajab - one of Bahrain's most outspoken human rights activists.

Has this strategically vital Gulf monarchy successfully reformed itself from within?