Vacillation plays a role . But so do two deeper political problems . First , the state machine has still not been modernised .
踌躇不决固然是原因之一，但还有两个更深层次的政治问题。
The case for the defence is that if mr obama 's vacillation discombobulated nato allies it also gave him leverage over afghanistan 's underperforming president , hamid karzai , who got a free pass from george bush but will now be under stricter supervision .
