high stakes and diplomatic talks regarding ukraine. secretary of state in geneva where he will meet with counter parts from russia, ukraine and the union. president obama warns if russia violates u.s. sovereignty, there will be consequences. u.s. intelligence experts are studying a new video from yemen showing what appears to be a defiant display from al qaeda. a large gathering from armed men are seen parading around in broad daylight. along with the terror network's second in command. some are apparently fighters who escaped from jail. this video posted online is recent and authentic. a forensics expert is back on the witness stand today to continue his testimony in the oscar pistorius murder trial. during roger dixon's testimony, the defense tried to illustrate the similarity between gunshots and a cricket bat hitting wood. pistorius claims he used the bat to break down his bathroom of after mistakenly shooting reeva steenkamp. but he was forced to admit he