Polish Prime Minister Donald Tusk, third left, bows in front of the memorial dedicated to the presidential plane crash victims during commemorations marking the second anniversary of the accident, at ... more 
Polish Prime Minister Donald Tusk, third left, bows in front of the memorial dedicated to the presidential plane crash victims during commemorations marking the second anniversary of the accident, at the Powazki cemetery in Warsaw, Poland, Tuesday, April 10, 2012. Exactly two years ago a plane with Polish President Lech Kaczynski, his wife and officials crashed in Russia, killing all on board. (AP Photo/Alik Keplicz) less 
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Associated Press | Photo By Alik Keplicz
Tue, Apr 10, 2012 8:19 AM EDT