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Former Soviet Union leader Mikhail Gorbachev, right, and former Polish President Lech Walesa participate in the 10th World Summit of Nobel Peace Laureates in Berlin, Tuesday, Nov. 10, 2009. (AP Photo/Franka Bruns) 

Gorbachev considers political comeback

Former Soviet leader Mikhail Gorbachev criticized Kremlin policies Friday and toyed with the ambitious idea of attempting a political comeback.

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