For Ukrainians who remained behind when the war began, choices made in the fog of occupation come under scrutiny when the invading army leaves, and neighbors once divided by the Russians again must live side by side.     Guest: Joshua Yaffa, contributing writer at The New Yorker and the author of “Between Two Fires: Truth, Ambition, and Compromise in Putin's Russia.” If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Amicus—and you’ll be supporting the work we do here on What Next. Sign up now at slate.com/whatnextplus to help support our work. Make an impact this Black History Month by helping Macy’s on their mission to fund UNCF scholarships for HBCU students. Go to macys.com/purpose to learn more. Learn more about your ad choices. Visit megaphone.fm/adchoices