getting so much attention nightly news begins now. from nbc news world headquarters in new york, this is nbc nightly news with brian williams. good evening, tonight, across a huge and uneasy region, where arab spring has long ago faded into something more complicated. today, there were protests in no fewer than several locations. today, the violence is in cairo where the protesters stormed the u.s. embassy. then the terrible lightning attack on the u.s. consulate in benghazi, libya, that left the u.s. ambassador and three other americans dead. first ambassador murdered on the job in a generation. some of this is coming from an anti-islamic film made here in the u.s. and it appears there is violence aimed across the country in a big region. we begin tonight with our chief foreign correspondent, richard engel, who is back, where by the way they re reporting 200 injuries today. richard, good evening. reporter: good evening, brian, clashes are still continuing here, even at