BBC NEWS | In Depth | Reporters' log - Iraq explosions: "Once again, the violence has highlighted the dilemma facing US and other foreign forces.
If they enter the centre of a holy city like Karbala, their presence is criticised as intrusive. If they keep to the fringes, they're blamed for not preventing attacks."
This is really the problem. We can't win. They don't want us there, but they don't want us to leave them open to attacks, either.