A Yemeni child receives a polio vaccination during a polio immunization campaign at a health center in Sanaa, on December 16, 2013. A three-day anti-polio immunization campaign to vaccinate more than four million children under five years old against polio began. The World Health Organisation and UNICEF have launched a polio vaccination campaign for 23 million children in the Middle East after 17 cases were discovered in Syria, they announced December 9. (AFP/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.