Sir: It is being reported that President Zardari is actively working on a ‘sink Nawaz, save Musharraf’ plan. The president seems to be wasting his energies on this useless exercise as Prime Minister Nawaz Sharif has the inherent capability of self-destruction while Musharraf has already sunk to the lowest levels of humiliation because of his own delusions. DR IRFAN ZAFAR Islamabad