Insight - As Islamic State is pushed back in Iraq, worries about what's next

By Jonathan Landay, Warren Strobel and Phil Stewart WASHINGTON (Reuters) - As U.S.-led offensives drive back Islamic State in Iraq, concern is growing among U.S. and U.N. officials that efforts to stabilise liberated areas are lagging, creating conditions that could help the militants endure as an underground network. One major worry: not enough money is being committed to rebuild the devastated provincial capital of Ramadi and other towns, let alone Islamic State-held Mosul, the ultimate target