By Ben Aris in Berlin It is a tense week for Russia’s presidential elections as the Kremlin mulls over a decision on allowing the surprise star of the show Boris Nadezhdin application to run in the race, the only candidate to openly oppose the war in Ukraine. A long-time politician, who has worked in the second tier of Russian domestic politics for decades, Nadezhdin suddenly sprang to prominence after taking a strong stance against the war in Ukraine that resonated with regular Russians that came out in droves to sign his petition. Appropriately enough, Nadezhdin name is a derivative of the R…