CNN The Lead With Jake Tapper May 14, 2015 20:29:00
Concussion symptoms subside. >> reporter: bostian's attorney says his client has other injuries but is not in the hospital. >> he remembers coming into the curve. he remembers attempting to reduce speed thereafter. he was knocked out, thrown around, just like all the other passengers in that train. >> reporter: the attorney says bostian voluntarily submitted to a blood test and turned over his cell phone. philadelphia's mayor who yesterday called bostian reckless softened his tone today. >> taken out of the vehicle, went to a hospital. received treatment, was interviewed by the police departme...