Afghan war enters 10th year

The war in Afghanistan, which began in 2001 with a lightning rout of the Taliban, has transformed into a counterinsurgency with no end in sight.

In this May 2, 2008 file photo, U.S. Marines, from the 24th Marine Expeditionary Unit, return fire on Taliban positions near the town of Garmser in Helmand Province of Afghanistan. (AP Photo/David Guttenfelder, File)

In this May 2, 2008 file photo, U.S. Marines, from the 24th Marine Expeditionary Unit, return fire on Taliban positions near the town of Garmser in Helmand Province of Afghanistan. (AP Photo/David Guttenfelder, File)

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