If you're following the news about ISIS, which now calls itself the Islamic State, you might think you've mistakenly clicked on a historical story about barbarians from millennia ago. In a matter of months, the group seized territory in both Iraq and Syria and declared an Islamic caliphate, celebrating its own shocking slaughter along the way. "I don't see any attention from the rest of the world," a member of the Yazidi minority in Iraq told the New Yorker. "In one day, they killed more than two thousand Yazidi in Sinjar, and the whole world says, 'Save Gaza, save Gaza.'"
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The White House does not say whether air strikes are an option
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"What's the Obama message?" a former national security official asks
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Pope sends "urgent appeal" to end the crisis
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Video shows militants force a Christian to convert to Islam, then behead him
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