The U.S. is set to announce new sanctions against Russia during this week’s G7 summit in Italy, White House spokesman John Kirby said on June 11. In comments reported by Reuters, Kirby also said Washington will be imposing further export controls that would be “impactful” and target entities and networks helping Russia to fight its war in Ukraine. “We’re going to continue to drive up costs for the Russian war machine,” Kirby said. Western countries have imposed extensive economic restrictions against Moscow over its full-scale invasion of Ukraine, seeking to curb its state revenue and prevent …