On Monday, an Amtrak Cascades train carrying 86 people derailed south of Seattle, killing three people and injuring more than 100 others. Nate Selden, an OHSU neurosurgeon was one of the first to arrive at the scene.

Guests include: Nathan R. Selden M.D., Ph.D., F.A.C.S., F.A.A.P., professor and chair of the Department of Neurological Surgery