Can adding food flavors and smells to live theater make it feel more real? We go behind the scenes of a new production of the musical "Sweeney Todd" to find out.

Can Mandy Naglich become the 20th Master Cicerone on the planet?

We feast on Philly's most iconic foods, then bring samples to a scientist to find out what makes greasy treats like cheesesteak and scrapple so irresistible.