michael mccann, thank you very much for taking time to talk to. thank you. thank you very much. let's move on now to other news coming from the white house and concerns of a new conflict. and ukraine could come to head on tuesday with a virtual summit between the us and russian leaders. joe biden is promising what his spokesman, called, enduring and meaningful costs. if a build up of russian troops, east of ukraine's border results in an invasion, something his intelligence experts say could happen in just weeks is an opportunity for the president to underscore, of course u. s. concerns with russian military activities on the border with ukraine and reform reform. the united states support for the sovereignty and territorial integrity of the ukraine. it's also an opportunity to discuss a range of topics in the u. s. and russia relationship including strategic stability, cyber and regional issues are, but you can certainly expect that ah, the are, are concerns about the military activities on the border will be a prominent part of the discussion. vladimir putin is denied that an