solution. they did agree however a political solution is the goal. jim schuitto, at the u.n. adding to the tensions, reports the united states plans to upgrade its nuclear arsenal based in europe. senior international correspondent matthew chance is joining us live from moscow. matthew, what has been mr. putin's response now from the the reports coming out of germany? >> well, those reports came out of germany about a week ago. since then, there's been reaction from the kremlin that, look, they'll take counter measure steps if these reports prove to be true. i mean, the reports were first broadcast by zed, a german television network, saying the united states plans to upgrade not just bring in new stuff but upgrade its existing nuclear arsenal in one particular location in germany. and there's been no specific detail from the russians about