One day a choreographed video showing the final moments of journalist Steven Sotloff at the hands of Islamic State fighters, President Barack Obama broke silence with what appeared a decisive shift aimed at erasing the self-proclaimed caliphate.
WASHINGTON—Degrade it. Contain it. Render it tiny enough to manage. Or bring out the biggest guns and erase it altogether, returned to the “gates of hell,” in the overheated words of Vice-President Joe Biden.
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