European and American leaders  emerged  from talks last week signaling significant progress on Ukraine’s future security guarantees if a peace deal is reached, including long-term military support, US-led ceasefire monitoring, and the rebuilding of Ukraine’s military to deter future Russian attacks. But even if these steps are enough to bring President Zelensky to yes, he is not the last word on what Ukraine will accept in a peace deal. The Ukrainian people are. And it would behoove Western