Ethiopians sweep Boston Marathon

By Tim McLaughlin and Richard Valdmanis BOSTON (Reuters) - Ethiopian runners vying for a place in the summer Olympics dominated the Boston Marathon on Monday, taking the top three spots in the men's division for the first time, and the top two spots among the women. Lemi Berhanu Hayle won for the men in a dramatic late surge against defending champ and fellow Ethiopian Lelisa Desisa, covering the notoriously hilly course in two hours, 12 minutes and 45 seconds, as thousands of spectators cheered