In the case of a determinate sentence, a prisoner is generally entitled to be released from prison on licence having served a specified percentage of his sentence.
On Wednesday Bush explained that the relative level of violence is not a determinate of victory or defeat because the enemy can use cease-fires to rearm.
The treaties, the summitry and the political volatility that define Europe are completely ill-equipped to handle the crisis as it enters a new and potentially determinate end state.