The recordings, according to Russian news broadcasts, indicated that the pilot struggled to communicate in Russian with the control tower below. Ground control warned the pilot not to land because of poor weather. Minutes before the plane crashed Polish president Lech Kacynski called his twin brother and told him everything was fine and the plane would be landing shortly. --- Aviation expert and ABC News consultant John Nance said the added pressure of carrying dignitaries can affect a pilot's decision making abilities. "When a pilot puts pressure on himself or herself, it can be a very bad result," Nance said....