Tourists wear masks in Tiananmen Square on March 9, 2013 in Beijing, China. Strong winds dispersed Beijing's lingering haze, but ushered in a sandstorm with a sharp temperature drop today. Clearing urban air pollution is a focus in discussions during the National People's Congress. (Getty Images)
Willie Walsh has always been one of the most outspoken chief executives in the aviation industry but now having steered British Airways and Iberia back into the black, the Irishman is proving there is metal behind his words.