The Economist's Eastern Approaches Blog asks, Where is Radek ? Radek being the Polish Foreign Minister, Radosław Sikorski , who has effectively been sidelined as a voice for Ukraine by the release of tapes of a private conversation from earlier this year where he said that the alliance with the US was basically useless for Poland. Yet, he has always been the most direct and clear headed about what is actually going on with Ukraine and Russia and the whole situation. AT THE start of the Ukraine crisis Poland’s foreign minister, Radek Sikorski (pictured), was a central figure in formulating a European response to Russia's actions in Ukraine. Yet as the crisis in Poland’s neighbouring country is escalating Mr Sikorski seems to have been sidelined from Europe’s diplomatic efforts. Mr Sikorski travelled to Kiev earlier this week to meet with top Ukrainian officials. His solitary journey was a marked contrast to his trip to the Ukrainian capital in February, when he was acc...