CNN The Situation Room July 8, 2013 22:15:00
Transportation and safety board deborah hersman is about to join us live. we'll speak to her, get the latest from her. but first some background. dan simon is in san francisco right now. he's following the investigation. dan, what's the latest? >> reporter: well, wolf, we know that the plane was going far below the recommended speed as it approached the runway. we also heard from some of the first responders today who really did some incredible things. but what you might call some uncomfortable questions about something that may have happened as they raced to the scene. as investigators contin...