He says the Shia-led government of Mr Maliki has tried to calm the situation by setting up an inquiry into the Hawija incident and appointing Sunni Deputy Prime Minister Saleh al-Mutlag as its chairman.

BBC: Iraq police and gunmen die in Mosul clashes

Last month it was revealed that an inquiry will be held into how the snow situation was handled.

BBC: Household rubbish piled up outside a house in Cheltenham

Let's look at a Senate inquiry that came about this week, looking into the situation in New Orleans, and the Gulf Coast region, and Hurricane Katrina, and the like.

NPR: Roundtable: Rice, Rumsfeld in Iraq, 'United 93'