Over the years we've done a number of stories about wrongly convicted prisoners who get exonerated when a crusading attorney takes on their case. In prisons around the world, however, that rarely happens. In Kenya, for example, more than 80% of prisoners have never been represented by a lawyer. Justice Defenders would like to change that. It's an organization started in Africa by a soft-spoken, 35-year-old lawyer named Alexander McLean. Justice Defenders has worked in 46 prisons in Kenya and Uganda, giving legal training to hundreds of inmates who can then help their fellow prisoners, the...