"his proposals seem to stem from the dangerous notion that religious views are beyond challenge."

Surely the point is that NO views are beyond challenge.

But a grand jury is a totally unsuitable vehicle for generating information that can, without more, be taken as credible beyond challenge.

But in the intervening period their triumph seemed beyond doubt or challenge.

In such a case, the government's actions were effectively beyond legal challenge.

It's just the tobacco industry's mentality, that they are beyond challenge.

"I think that this arbitration clause is beyond challenge."

But success, money and monopoly, it seems, do not put even so familiar a name as Microsoft Windows beyond challenge.

The court rejected the government's position that programs created solely from the Executive branch funded through general appropriations were beyond challenge by individual taxpayers.

That American bombs and missiles have gone astray is beyond challenge.