The Kremlin has sought to dismiss Nadezhdin's potential to upset an election whose win for Putin is seen as a done deal. Kremlin Press Secretary Dmitry Peskov told CNBC Thursday that "we are not inclined to exaggerate the level of support for Mr. However, Nadezhdin's recent growing popularity and prominence has changed that, political analysts say, and he now poses a challenge and a dilemma for the Kremlin as the election nears. Nadezhdin has said in interviews that he would end the war with Ukraine, describing the war as a "fatal mistake." Stanovaya believed it was likely that the CEC would not recognize a portion of the signatures that Nadezhdin has garnered.

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Persons: Boris Nadezhdin, Vera Savina, Vladimir Putin's, Nadezhdin, Putin, Dmitry Peskov, isn't, Putin's, Tatiana Stanovaya, he's, Stanovaya, András, Czifra, Peskov Organizations: Civic Initiative, Central, Commission, Afp, Getty, Kremlin, CNBC, Carnegie Russia Eurasia Center, Duma, Ukraine, Moscow, Election Commission, CEC, Eurasia, Foreign Policy Research Institute, Boris Nadezhdin Press, Central Electoral, Putin, Kremlin's Locations: Moscow, Russia, Ukraine, Russian, Mar, today's Russia, Anadolu