No great evil in history, such as colonialism or racism, has ever been abolished without mobilisation at the level of citizens and peoples. Nuclear weapons are just such an evil. Their eradication too will need concerted citizen-level action. This is not as utopian or daunting as it might seem. But with Prime Minister A.B. Vajpayee's visit to Lahore, it has invaded the official agenda.
Ideal solutions can only come about through realistic small steps.
But that is no reason why we must not believe in ideals. Without them, life itself would be hopeless and meaningless.