Obama threatens to penalize Putin over Ukraine
Obama threatens to penalize Putin over Ukraine

  WASHINGTON -- President Obama told Russian President Vladimir Putin on Saturday that the U.S. may boycott an upcoming economic summit in Russia and threatened further penalties if Moscow does not recall its military forces from Ukrainian territory. In a 90-minute telephone call, Obama warned Putin that Russia faces "greater political and economic isolation," according to a White House description of the call. The president suggested the United Nations would take action for what he called a "breach of international law." Obama made the threats as the two leaders publicly clashed over the deepening crisis in the former Soviet state. Obama warned Friday that...