The differences observed are not in and of themselves outside the range of variation seen in the normal population.

The political process has made immense progress, Iraqi security forces are making a powerful difference, and the Iraqi population strongly rejects the insurgency and participates in the political process.

Probably the biggest surprise of all was that the older medication produced about as good an effect as the newer medications, three of them anyway, and did not produce neurological side effects at greater rates than any of the other drugs,

what works for one person may not work for another.

The study demonstrated that these medicines are effective, but that doctors and patients are looking for more. The medicines didn't completely alleviate symptoms or enable the majority of the patients to experience a complete recovery.

These treatments are effective--there's no doubt about that. But the glass is only half full.