began when he met with president biden in june and they came to underzand each other, but the relationship didn t move forward, and i think that was the true buildup and bring attention to russia and putin was the result of that. richard, earlier this week you sent a tweet wondering why the u.s. should sent troops to fortify nato defenses. did the u.s. announcement of sending military aid to ukraine in your view make the situation worse? i think it s important for us to send military forces to ukraine. ukraine would be strong enough to seriously raise the cost of a russian occupation, the so-called porcupine defense. i think that makes good sense. what led in part to the end of the soviet union was