border. according to the kremlin, putin requested the call due to the extremely complicated issues the two countries have to discuss. international diplomatic editor nic robertson is in moscow and jeremy diamond is in delaware with the president. nic, let's start with you. this will be the second conversation in recent weeks between these two leaders, and it takes place ahead of bilateral talks next month. do we have any idea what the issues are that putin wants to discuss? >> we do, and i think if we think of this phone call in the context of putin keeping up the pressure on president biden, remembering russia has created the narrative on the ground that ukraine is under threat from the potential of invasion from russian forces, that russia says are just doing a standard military training in russian territory which are perfectly legitimate and free to do, so, you know, russia habs created this scenario and it's also they be sort of created the pressure