>> [ inaudible ]. >> reporter: groundhog's day as in another day of talks and still no deal in the iran nuclear negotiations. while the exchange was lighthearted the stakes are not. which is why secretary of state john kerry says he's in no hurry to walk away. >> we will not rush and we not be rushed. and we won't let ourselves be rushed through any aspect of this. >> reporter: rushing hardly seems to be a problem, especially given the repeated deadlines that have already been passed in the hopes of forging a deal to limit iran's nuclear program in exchange for lifting u.s. and international sanctions. but the window of opportunity is closing. >> if the tough decisions don't get made we are absolutely prepared to call an end to this process. >> reporter: meanwhile, iranian president ruhani today met with russian president vladimir putin, a sign of strengthening ties between tehran and moscow. >> translator: i must also thank you for all your efforts towards advancing the program of the 5