on the horizon. deeply on edge. >> thanks so much, nick. >> let's very visit all of this with lieutenant general mark hertling, cnn military analyst, retired from the 7th army. let's zero in on the south, what russia has achieved overnight and what they have not. >> yeah. brianna, nick's presentation was excellent. he's talking about what's going on. there's confusion down there. i'm going to take a look at this from a battlefield geometry standpoint. these maps don't tell the whole story. it is 400 miles between mariupol and ondesa. odesa, a million people, third largest. mar mariupol, 500,000. mykolaiv, 400,000. these are big towns. when you see this red and