Update: Watch the speech here.
Obama's talking to ninth graders at Wakefield High School (event has concluded). Obama's advice to the high schoolers: find your passion and be careful of what you post on Facebook. Now, the "big cheese" at Wakefield is speaking. Obama will speak next at 12 eastern. View his prepared remarks here.
Here is video from the pre-speech roundtable with high schoolers - A ninth grader asks Obama about his missing father. Obama also answered: Who would you like to have dinner with? Obama says Ghandi, who inspired Dr. King:
Obama's speech had an effect: