(NEWSER– Five years after he addressed a huge crowd in Berlin as a presidential candidate—and 50 years after John F. Kennedy proclaimed "Ich bin ein Berliner"—President Obama will call for a major reduction in nuclear warheads in a speech today at the city's Brandenburg Gate, Reuters reports. Administration officials say the president plans to make the case for a cut of around one-third in the US and Russian nuclear weapons arsenals, leaving the former Cold War adversaries with around a thousand warheads each.

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