That is the culture of the party. When something is said or done by a Nehru/Gandhi, it is straight out of 10 commandments! Has to be followed without any questions asked. Else, they will not be there in the party to ask questions !
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Even she is sceptical to trust even her very blued boy, MMS, then whom to trust. Come what may, let it be the son. She is right, in politics none trust anyone. Even Fatima Bhutto, wife of late Murtaza Bhutto still believes that her husband was killed by his own sister, late Benazir.