Al Qaeda's English online mouthpiece Inspire has returned proclaiming that it is "still publishing America's worst nightmare" despite the killing of its two top editors in a United States drone strike.
Politicians opting not to buy from open market add to sellers' woes.
US-born radical cleric Anwar al-Awlaki may rely on sermons to recruit jihadis, but his Yemen-based understudy, 24-year-old New York-raised Samir Khan, uses sarcasm and idiomatic English.