The plane crashed because the pilots attempted to land in impossibly bad weather conditions (meaning: they couldn't see the runway through the mist or fog), and the very importance and power of the political delegation on board may have increased pressure on the pilots to try
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Row over 'Russian theft' from Polish plane wreck
Closing the Circle on the Polish Airplane Crash
Poland publishes plane crash transcript
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Non-crew in cockpit in Polish president's plane crash
BBC News - Poland holds memorial services for plane crash victims
