TODAY 8a: Queen Elizabeth attends Prince Philip memorial. Cardiac arrest at 35,000 feet – woman and doctor reunite. Ken Burns on his Benjamin Franklin documentary.

<p>We are live in London with the latest and reaction after yesterday’s memorial service for Prince Philip – why Prince Andrew accompanied Queen Elizabeth and why Prince Harry and Meghan Markle were not in attendance. Plus, a 28-year-old woman who went into cardiac arrest on a flight and the doctor who saved her life are reuniting in Studio 1A. And, Savannah Guthrie and Hoda Kotb are chatting with Ken Burns about his new two-part documentary on Benjamin Franklin.</p>