U.S.Vice President Joe Biden (2nd R) shakes hands with opposition leader and former world chess champion Garry Kasparov (R) as U.S. Ambassador to Russia John Beyrle shakes hands with Vladimir Ryzhkov (C), with Boris Nemtsov (2nd L) looking on during their meeting in Moscow March 10, 2011. Biden is on the second day of an official visit, meeting top officials in the Russian capital. REUTERS/Alexander Natruskin (RUSSIA - Tags: POLITICS)