Olympian Galen Rupp speaks with CBS Sports about his 'obsession' for improvement ahead of NYC Half Marathon | CBS Sports Headlines Olympian Galen Rupp speaks with CBS Sports about his 'obsession' for improvement ahead of NYC Half Marathon The two-time Olympic gold medalist is making his first NYC Half appearance … Continue reading Olympian Galen Rupp speaks with CBS Sports about his 'obsession' for improvement ahead of NYC Half Marathon