The frenzy of the gift-giving season is over. Children have received their toys. Billionaires, too. Do you remember that old bumper sticker that said, “He who dies with the most toys wins. More money, ...

Serhii Tyschenko, a Ukrainian combat medic, spent 472 days in a bunker. His case appears to be an extreme example of a problem that has long plagued Kyiv’s military. By Cassandra Vinograd and ...