[ cheers and applause ] gary clark jr. , blak and blu is out now. I want to thank simon cowell, stacy keibler. Apologies to matt damon. Tomorrow night, tim gunn and music from preservation jazz band. Thank you for watching. Nightline is next. Good night. Tonight on nightline. Defining moment. President obama makes his plea to a skeptical American Public for military action against syria. This would be a targeted strike to achieve a clear objective deterring the use of chemical weapons and degrading assads capabilities. But is it too late . We can stop children from being gassed to death and thereby make our own children safer over the long run, i believe we should act. Clean and simple. 19 firefighters perish, did they have to die . There have never been more forest fires or fewer resources to fight them. Nightline investigates is an aging fleet of tanker planes putting lives at risk. Honesty policy. An ohio man confesses on youtube he killed a man. That drunk driver was in court today