By CNN's Tracey Webb

Your daily scoop of what State of the Union is watching today, September 4, 2014.

1. NATO Summit. A two-day meeting of the alliance is underway in Wales. On the agenda: the ISIS threat, the crisis in Ukraine and dealing with a post-war Afghanistan. President Obama is under intense pressure domestically for a strong U.S. response to ISIS. In a joint op-ed in the Times of London, Obama and British Prime Minister David Cameron vowed to fight the terrorist group. "If terrorist think we will weaken in the face of their treats they could not be more wrong. Countries like Britain and America will not be cowed by barbaric killers," the two men wrote.

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