Related Clues:

• Not having gone pro?
• Apt to vote no
• Climactic lead-in
• Axis powers, to the Allies
• Capitol Hill con
• Someone to keep closer
• "Trust" lead-in
• Pro's adversary
• Voting "no"
• Adversary in war
• Opposing military force
• Opposition party member
• One on the con side
• One who opposes
• Naysayer's view