An Al Qaeda-linked group fighting in Syria has released video of the first American to carry out a suicide attack in the country's civil war, showing him smiling and saying he looked forward to going to heaven. The Nusra Front released the new video late Friday showing American citizen Moner Mohammad Abu-Salha, 22, with other fighters before the May 25 attack that targeted several army positions at the same time. Abu-Salha appears smiling in the video and speaks in broken Arabic. "I want to rest in the afterlife, in heaven. There is nothing here and the heart is not resting,"...