Global Week in Review: Chad President Says Troops to Leave Mali
Wesley Korir, a Kenyan politician recently elected to the country’s parliament, competed in this week’s Boston Marathon as the defending champion. He lost to Ethiopia's Lelisa Desisa, who won the men's division. Kenya's Rita Jeptoo won the women’s division. Later in the day, two bombs exploded near the finish line in a move the U.S. is calling a terror attack.