Your son suffers from your excessive shielding.

"I will not shield my child," the elder Li said.

Universities tend to cover for those offenders with high academic status for fear of their power and the reputation of the school," said Fang.

"Most are corrupt - inspectors, policemen, they all protect each other, " he says.

Afghanistan has gone from a nation where the Taliban harbored al Qaeda and stoned women in the streets to a young democracy that is fighting terror and encouraging girls to go to school.