"People aren't sure whether McChrystal is being naïve or an upstart."

"To my mind he doesn't seem ready for this Washington hard-ball and is just speaking his mind too plainly."

Said "adviser to the administration."

Mc Chrystal "flatly rejected proposals to switch to a strategy more reliant on drone missile strikes and special forces operations against al-Qaeda":

He told the Institute of International and Strategic Studies that the formula, which is favoured by Vice-President Joe Biden, would lead to "Chaos-istan".

When asked whether he would support it, he said: "The short answer is: No."

He went on to say: "Waiting does not prolong a favorable outcome. This effort will not remain winnable indefinitely, and nor will public support."