President Bush would have to condone a major philosophical and strategic shift away from what hasn't worked.

It's a major philosophical shift, then, to put laws on the books that protect an animal from any human use whatsoever.

The design of the tower, he said, represented a philosophical shift.

"That's what the philosophical shift has come from," Barber said.

"The philosophical shift we have taken is a significant one," Malloy said.

But they are also inspired by a philosophical shift.

But I wonder if the scientists behind this important philosophical shift have really considered all the consequences of their actions.

It would have meant a major philosophical shift from the way Government farm policy has evolved over the last five decades.

By the mid-1970s, the industry had rebounded and a significant philosophical shift was in progress.

Then came a vast political and philosophical shift in public policy: the end of entitlement.