a slip-up by the president, a change in direction by the president on a phone call can undo months and months of diplomatic work towards a u.s. policy goal. >> larry pfiefer, good to talk with you. i'll look forward to speaking with you again. thank you so much. >> thank you, alex. now to what might have been a shock to some late yesterday, a republican ally of the president shutting down to some degree his no quid pro quo on the ukraine story. republican senator ron johnson claims in a new interview, a u.s. diplomat told him the military aid was linked to the president's request for ukraine to investigate the bidens. that diplomat, u.s. ambassador to the eu, gordon somblin, who donated $1 million to the president's inaugural committee. nelson cunningham is a former federal prosecutor and a clinton white house lawyer who is voluntarily advising the biden campaign. welcome back. we saw you last weekend. here we go again, nelson. based on your diplomatic experience, why would sondeland be involved in these communications? ukraine isn't even part of the