Ryan Mauro just wrote an article about the younger brother's mosque, and its affiliation with the Muslim Brotherhood. Here's an excerpt. Dzhokar Tsarnaev, who has been arrested for the terrorist bombings in Boston, attended the Islamic Society of Boston (ISB) in Cambridge, a mosque with strong Muslim Brotherhood links. The ISB Cultural Center, which is at a separate location, is even run by a group that federal prosecutors said in 2008 “was founded as the overt arm of the Muslim Brotherhood in America.” An ISB attendee reports last seeing Tsarnaev there during Ramadan last year. It is unclear if his...