Possible Clues:

• Disaster in the making
• Precarious thing in Aspen (2 words)
• *Gradual, seemingly harmless course of action that ultimately results in bad consequences
• Mountain of comfy shoes?
• Disastrous and irreversible course (2 words)
• Steps leading to a bad conclusion!
• Upset poppy sellers, pinching one -- that's the road to ruin
• What the setter could offer for Poles? It leads to disaster
• 'If we let our kids go sledding, what's next? Extreme skiing?'
• 'Where does it all end?' argument