The president-elect is caught between bellicose threats from Moscow and hawks at home. Russia didn't waste any time in putting President-elect Barack Obama on notice. A day after the election, President Dmitry Medvedev renewed Russian warnings that he would base short-range Iskander missiles in Kaliningrad, on the border of Poland, if the U.S. proceeds with plans to base a missile defense system in Europe, with the hardware in Poland and the Czech Republic. And this week, the Kremlin rejected new proposals put forward by the Bush administration to assuage concerns that the system could be used to neutralize Russia's nuclear...