"Universal truth" argument doesn't work in the court of law. Unfortunately.
The idea is not to prove NS, AZ, and others to be saints.
The idea is "NOT TO ACCUSE" our leaders unless they are punished by a court.
We should be sick and tired of accusations. Both Zardari/Bhutto and Sharif families have been under the microscope, imprisoned, kicked out of country, harassed etc. etc. for the last 10+ years under this argument of "universal truth".
However the idea of proper legal rights is that you do not accuse someone until proven guilty in a court of law.
What if the legal system of the country is defective. Evidences against these people are used to strike deals by the goevrnments just like Musharraf used the evidences to strike deal with late BB tp prolong his own rule.
In any civilized country politicians would be asked to show their means of earnings. Nawaz Shaif and family has a lot of known property in London. May be the property is in the name of wife and son who do not contest elections. He has no running earning business. Don't you think he should be asked to provide evidence that how his family accumalted such a huge wealth. He should be asked to file tax receipts and evidence of his earnings as he is heading a big national political party.
Same is the case with Zardari. He has huge bank accounts in foreign countries under his name with no known source of income.
Without uncompromised accountability no democracy can work as our leaders are so shameless that they do not feel any need to answer these questions.
Do you know why these crooks are no persecuted. Because they all protect eachother.