Govt vows to recover amount recklessly spent by past rulers

* Murad Saeed says Nawaz spent nearly Rs 4.32 billion of public's money on his camp office and medical expenses, Shehbaz used Rs 8.73 billion
* Says almost 500 children died of malnutrition in Thar every year, but Zardari misused Rs 3.17 billion, kept 164 vehicles for his personal security