Afghans go to the polls in August for the country's presidential election but campaigning has so far been limited by poor security.

One of the most prominent candidates standing against Hamid Karzai, the incumbent, is Ashraf Ghani, a man once tipped to be secretary-general of the United Nations.

As Al Jazeera's David Chater reports from Kabul, Ghani is a man ready to risk his life to get his message to the people.