The Baghdad Wall
American military commanders in Baghdad are trying a radical new strategy to quell the widening sectarian violence by building a 12-foot-high, three-mile-long wall separating a historic Sunni enclave from Shiite neighborhoods.
via NY Times (may be behind a pay-wall by the time you see this). Wonder if there will be a push to relocate Sunni into their newly walled ethnic neighborhood.
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Um I recall walls don't really work historically for a few examples:
Great Wall: Overrun by Mongolians
Berlin Wall: tunneled under, eventually torn down, flown over too
My Backyard Fence: Crawled under, dug under, and even jumped over
Barriers exist for life to overcome them, walls just make it more interesting to overcome.
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