@CNN: The tragedy in Pittsburgh is the latest indication that homegrown terrorists, animated by prejudices such as anti-Semitism and armed with powerful weapons, must be considered a major threat, writes Peter Bergen for @CNNOpinion https://t.co/m0leHK6IzN https://t.co/Zi2AKqsvV2

@CNN: The tragedy in Pittsburgh is the latest indication that homegrown terrorists, animated by prejudices such as anti-Semitism and armed with powerful weapons, must be considered a major threat, writes Peter Bergen for @CNNOpinion https://t.co/m0leHK6IzN https://t.co/Zi2AKqsvV2