They were taunted, they were ridiculed, they were dismissed and they were harassed. And, even as a nation sat transfixed, trying to absorb the sheer audacity of their ambition and the magnitude of their achievement, the political establishment was quick to dismiss the AAP as unsustainable. Politician after politician refused to acknowledge the path breaking significance of Delhi results beyond the cursory congratulation. Here are the five lessons from Delhi that the political class was too scared to admit.