Can the Ukrainians sustain two simultaneous counteroffensives against the vaunted Russian military? A few months ago, that may have seemed impossible. Just a couple of weeks ago, most observers considered either the Kharkiv or Kherson offensives a feint to distract from the other. Now that Ukraine’s Kharkiv campaign has achieved so much success, however, it’s clear that their Kherson campaign was no feint. Their forces, apparently using US-supplied HIMARS artillery, took aim at a meeting of occupation leadership in the heart of the city, and apparently hit a bulls-eye. Even Russian state-run news outlet RIA Novosti reported on the success,...