Nick Paton Walsh: Iran's influence in Iraq is growing. He says the Shia militias are carving out more and more of the country for themselves. They're going to be guiding Iraq into the future, he says. And they've led Iraq go to the dogs; much of the country is now a wasteland, he writes.
America invaded Iraq 20 years ago this week. Today Baghdad is bustling, violence across the country is less frequent, but these gains have come at a horrific cost. India is getting a huge, essential infrastructure upgrade. And we say goodbye to one of our hosts.
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