resistance. but for me more instantly, and what i hope, i stand with ukrainian, they could make russia pay a huge, huge price. >> right. yeah, and to that very point, the ukrainians are the defenders. and i know you've written extensively about many of the advantages of being in that position. what are the main advantages? what would ukrainian forces be doing to prepare or should be doing to prepare? >> the defense is always the strongest form of war, has always been. in the urban defense, ten times that. they can prepare every street. they can block every street. put guns in every window hidden, and just make it impossible for the russians to come in without fear. the russians fear urban combat. and that's why they're going to bomb it, unfortunately a lot. because all soldiers don't want urban warfare. so inside of kyiv, if i was there, building the barriers, ensuring that they have