Nathan Martin clinched a dramatic victory at the 41st Los Angeles Marathon on Sunday, securing the closest finish in the race's history and marking the second consecutive year an American man has won the event. Martin, hailing from Jackson, Michigan, completed the 26.2-mile course in 2 hours, 11 minutes, 18 seconds, narrowly overtaking Kenya's Michael Kamau, who finished second with an identical time. Kamau, who did not consume fluids during the race, collapsed at the finish line and required