RUSSIA - JULY 03:  The blog page of Dmitry Medvedev, Russia's president sits open on a laptop computer screen at a cafe in Red Square, Moscow, Russia, on Thursday, July 2, 2009. Medvedev yesterday used his regular video blog to invite Obama to open a new chapter in relations based on a purely pragmatic agenda.  (Photo by Alexander Zemlianichenko Jr/Bloomberg via Getty Images)