Yekaterina Duntsova, a former TV journalist and anti-war critic, has been barred from running in Russia's presidential election, blocking her challenge against President Vladimir Putin. Citing "numerous violations" in her application, the electoral commission unanimously disqualified her, fueling claims from Putin's critics of a sham election process designed to ensure no real opposition. The Kremlin, however, maintains that Putin's high approval ratings reflect his widespread support.