"There is no good established system for making that choice," he said.

This is particularly convenient when third parties develop additional components for the established system.

Instead it opted to go with its established wholesale system.

The threat to the power of regulators comes from sites that benefit customers who don't feel well served by the established system.

History does not know of any reformer who managed to destroy an established system and build a new one in its place.

But I'm just one man, fighting an established system.

The writing may be on the wall for the established system.

The established system has been defended on a number of grounds.

It is no good simply to be dissatisfied with the result of the established system.

Funding sources are fragmented and there is no established system to provide care.