Related Clues:

• 'Friends, Romans, countrymen ...' sort of speaker
• Source of addresses
• Eloquent person in church mostly
• Churchill, notably
• Henry Clay, notably
• One of Twain's occupations
• Speaker in second of Houses runs over list put up
• Big-time public speaker
• Speaker volunteers set up with two gold terminals
• Volunteer army retreats, or appears before and after Churchill, say
• Soapbox user
• Webster, notably
• Martin Luther King or Cicero
• Clay, e.g
• Lecturer maybe in laboratory