While the commercials gave the pair a once unimaginable level of exposure, they also brought Pomplamoose some blowback.

For U.S. and European leaders the flow of Western recruits prompts fears of blowback.

Prime Minister David Cameron is undoubtedly concerned about blowback, and the British consulate in Karachi is already closed.

Meanwhile, behind the scenes, the Obama administration is preparing for the blowback that will sure come when Russia retaliates.