Are the sanctions against Russia working or not?
Kevin T. Dugan writes: Six weeks after the U.S. and the G7 countries weaponized the global financial system to impose their harshest-ever sanctions on Russia, the fissures are becoming apparent. The ruble strengthened to its prewar value against the dollar by Thursday, a sign that the capital controls set by the country’s central bank were working. As the currency continued its rise on Friday, the Central Bank of Russia surprised the world by cutting its interest rates 3 percentage points…