>> cal perry as always my friend great reporting. please stay safe. all right, today's strikes in lviv contradicting what at least one russian officials calls a move wayfair from a countrywide attack on ukraine to focus on the, quote, complete liberation of the donbas region that the kremlin nounlzed asset a strategy shift in the region as losses are piling up. joining me now with his insight on the strategy shift is andriy, former ukraine defense minister. andriy thank you for joining us on this. we appreciate it. i first want to talk about the incredible success we've seen from ukrainian forces, this unprecedented ability to hold back to fight off russian forces, take back cities from russian forces. what do you lend that success to? >> well we are way more