Related Clues:

• "You never know..."
• Procrastinator's response to a question
• Stereophonics "___ Tomorrow"
• PM to take place, perhaps
• 'Let me consider this'
• Could happen, perhaps
• For all one knows millions certainly exist
• Neither yes nor no
• Springtime sound from insect, perhaps
• It's not a lock
• A little move by a militant to the left, perhaps?
• Prime Minister, extremely believable? Perhaps
• "I'll think about it"
• West? Northbound via the interior, perhaps
• "I might"