putin made no bones about how badly he wants ukraine back. ukraine was part of the russian empire for centuries and finally winning independence in 1991 as the soviet union collapsed. since then ukraine worked hard to forge strong alliances with europe and ukraine amended the constitution to restate the goal of joining nato noting it s a strategic foreign and security policy objective. according to the new york times , putin s aggressive rattling is about a hurt national psyche and tied to the dissolution of the soviet union coupled with the separation of a nation that russians long viewed as an extension of their own and an open question if putin will heed president biden s warning. i m joined by former director for european affairs for the united states national security counsel and founding partner and washington correspondent.