Ukraine vowed to mount a counteroffensive against Russia. Drone attacks on Moscow might signal it has begun. The Washington Post’s Mary Ilyushina and the Guardian’s Luke Harding explain. This episode was produced by Amanda Lewellyn, edited by Matt Collette, fact-checked by Laura Bullard, engineered by Michael Raphael, and hosted by Noel King. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices