2022 started with the White House warning that Putin planned to invade Ukraine. Many were skeptical. But in this year's most significant decision survey of more than 100 journalists, the consensus is in: Putin's decision to invade Ukraine was the biggest decision of 2022. Some of the other decisions will surprise you and might end up having more impact in 2023. In this roundup of the biggest stories of the year, we examine them all as we end one year and move on to the next. One Decision is joined in London by The Economist's Anne McElvoy, Semafor's Prashant Rao, and Bloomberg's Maria Tadeo.