east of moscow. pings from the cell phone to track her location. unclear why she got into an unfamiliar car. it may have been inadvertently while she was waiting for an uber. >> bill: the mystery continues on that. >> dana: investigators are tight lipped on the lead on paul and margaret -- >> bill: the white house waiting to finalize a nuke deal before the new president of tehran takes office. some lawmakers warn that plan could backfire. >> the ayatollah is a religious nazi who controls the place. religious zealots run the place. why do you want to give massive enrichment capability to the largest state sponsor of terrorism in the world i don't know.