The United States enacted sanctions on Monday targeting Russia’s defense sector, restricting U.S. exports of “high-technology items” as part of a broader strategy to punish Moscow over the crisis in Ukraine. The departments of State and Commerce have tightened their policies to deny export licenses and revoke existing ones for technologies that could benefit the Russian military, White House spokesman Jay Carney said. State Department spokeswoman Jen Psaki said the sanctions were effective immediately and that the agency’s office that…
