shipping. that is the nastional securiy spokesman john kirby who we heard this week that they are concerned that russia is going to try to frame the ukrainians for attacks on the civilian ships in black sea. of course, they are watching to see if russia lays mines as well at the ukrainian ports to prevent that grain from exiting ukraine. kate. important point that you have made though is the similar message from bill byrnes to john kirby at the white house about the coordinated messaging to go public to talk about it. that is extremely interesting. thank you, natasha bertrand. and now, joining us to talk about this is general mark kimmett, and i wanted to talk about the cluster munitions that the u.s. has provided, and could this be a game-changer in counter offensive, and what do