WASHINGTON -- The US paused a shipment of bombs to Israel last week over concerns that Israel was approaching a decision on launching a full-scale assault on the southern Gaza city of Rafah against the wishes of the US, a senior administration official said Tuesday. The shipment was supposed to consist of 1,800 900-kilogram bombs and 1,700 225-kilogram bombs, according to the official, who spoke on the condition of anonymity to discuss the sensitive matter, with the focus of US concern being the