NAIROBI, Kenya – In 2008, when Mohamed Ali Mohamed was a kid growing up in Mogadishu, Somalia, his cousin was shot by the Somali terrorist group al-Shabaab. “That made us run away,” he said. He and his grandmother walked to the border with Kenya and settled in Nairobi. As a teenager, Mohamed would wake up at 5 am to deliver bread to nearby shops before school, but it barely earned him…