The Problem With Vows to 'Defeat' the Islamic State

Authors: Stephen D. Biddle and Jacob Shapiro
The Atlantic

In recent weeks, ISIS has suffered territorial losses on multiple fronts, including in Iraq, Libya, and Syria. The organization may look nearer to defeat than at any time in the past two years, but there is still a great deal of fighting to be done before the group is destroyed, or more likely beaten back to an underground terrorist organization as it was in 2009.

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