Pakistan’s Supreme Court has directed the country's anti-corruption watchdog to reopen graft cases against President Asif Ali Zardari and 8,000 others that were quashed under the controversial National Reconciliation Ordinance.A three-judge bench directed the National Accountability Bureau (NAB) to reopen cases that were quashed under the National Reconciliation Ordinance, NRO, promulgated by former military ruler Pervez Musharraf in 2007.The bench also directed the bureau to protect all records related to NRO cases. The bench also expressed its dissatisfaction at a report submitted by NAB on the reopening of cases.