The brakeman on the freight train in a deadly collision near Los Angeles is suing the other railroad and the companies that provide its engineers. Metrolink Chairman Ron Roberts, second right, listens to Union Pacific Railroad Executive Vice President of Operations Dennis Duffy, right, read his opening statement during a briefing on the Metrolink crash in Chatsworth, Calif., on Capitol Hill, Tuesday, Sep. 23, 2008, in Washington. Others witnesses are NTSB board members Kitty Higgings left, and Federal Railroad Administration Administrator Joseph Boardman. ...