Ukrainian forces have slowed Russia and retaken ground in some areas. Kostiantyn Liberov/Libkos/Getty Images Ukraine is slowing Russia's advance and making gains in key areas. Russia is still gaining ground overall, but at a much slower pace. Ukraine's targeted counterattacks are driving new battlefield momentum. Ukrainian forces have been substantially slowing Russia's advance and are seeing fresh battlefield gains not achieved in years, warfare experts said. "The Ukrainians are gaining mo...