“Another week has passed during which reports from eastern Ukraine remind us of the true costs of this Russia-manufactured conflict. On October 1, the Special Monitoring Mission to Ukraine (SMM) reported that three children were killed and one injured in a mine blast at a railyard near Horlivka. These three boys, aged 12 to 14 years old, will be remembered, along with the more than 10,000 others killed in since 2014, as the victims of Russian aggression in Ukraine. The United States mourns their loss and insists that Russia’s proxies in eastern Ukraine refrain from blocking humanitarian demining efforts. ...