By promoting "open source jihad," Al-Qaida, the group responsible for the Sept. 11, 2001, terrorist attacks, is hoping to decentralize weapons manufacturing instructions and materials. Al-Qaeda's Arabian Peninsula branch released a video in English threatening New York City's energy grid and subway system, as well as airplanes in general, with suicide bombers as the group relaunched its English-language magazine, "Inspire." The Transportation Security Administration said Monday that it is monitoring the potential threat posed by the al-Qaeda affiliate, according to NewsNation. Al-Malahem Media, Al-Qaeda Arabian Peninsula's media arm, published the video late last month. It opens with a picture of...