Ep 3. Power & Glory

The graves of our leaders and heroes can both inspire us as well as raise difficult questions. Forensic scientist Dr. Henry Lee is determined to find Pocahontas' bones. We visit Arlington National Cemetery where the Tomb of the Unknowns was recently re-opened. DNA testing helps to identify the last Tsar of Russia's body, and scientists reveal how they found the remains of the real Braveheart.