A slide show put together by the Telegraph reveals varying degrees of friendliness in the way the Obamas greeted other world leaders. Michelle Obama is shown hugging British Prime Minister Gordon Brown, German Chancellor Andrea Merkel and Russian President Dmitry Medvedev, but both Obamas keep their distance from scandal-plagued Italian PM Silvio Berlusconi. And the reception for Canada? Stephen Harper is given a polite air kiss by Michelle Obama, while Laureen Harper receives a warm presidential handshake.
Kissing protocol at the G20
Michelle Obama hugs Gordon Brown, keeps her distance from Silvio Berlusconi and gives Stephen Harper an air kiss