broke, he tried to conquer country as big as ukraine, with the campaign, only planning to last a few days. >> this map shows russian gains over the past month. you can see. so advances but nowhere near what was expected. most of the country remains under ukrainian control, so where has russia gone wrong? my assessment at the beginning of the war, if russian doesn't win quickly, he doesn't win. i think that's still holds true. >> russians made the fatal america, they underestimated their opponent, believed they would be welcomed if liberated. the russians deployed some of they're lete forces first, they failed to hold their objectives and faced the ukrainian counter-attacks. the ukrainians have adopted more flexible formations than classic battalion and brigade structures. >> the fact that the ukrainians have managed to kill so many generals is remarkable and it is