Elliot Cohen, writing in
The Atlantic, (soft paywall) says the Ukraiians are not just defending well, but winning!
His conclusion: "As for the endgame, it should be driven by an understanding that Putin is a very bad man indeed, but not a shy one. When he wants an off-ramp, he will let us know. Until then, the way to end the war with the minimum of human suffering is to pile on."