Related Clues:

• So-so connection?
• "Cogito ___ sum"
• Flesh-blood link
• "Your point being?"
• 'What next?'
• "... ___ Justice for All." (Pacino flick)
• Pair link, perhaps
• "So then what?"
• 'And so ...'
• Companions' separator?
• Thus, in mathematical proofs
• Thus, to a logician
• "Wait, there's more ..."
• Cogito follower
• Word in the name of many duos