Two Prominent Russians to Challenge Putin Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Russian metals tycoon and US basketball team owner Mikhail Prokhorov said on December 12, 2011 he intended to challenge Prime Minister Vladimir Putin in next year's presidential elections. ( YURI KADOBNOV/AFP/Getty Images / Getty ) Produced by PRI and WNYC