Our local guide Francesca Caruso.
http://www.ricksteves.com/news/tournews/guides/francesca.htm

She looks and sounds very much like Samantha Brown - the woman who does the 'Passport to Europe' series on the Travel Channel
http://travel.discovery.com/tv/samantha-brown/samantha-brown.html

Francesca’s passion and thoughtful insight into Roman history gave us a unique perspective and provided a context with which to view the Forum ruins.