Barack Obama, the former president of the United States will be visiting Milan on the 9th of May 2017 when he will be the keynote speaker of the Global Food Innovation Summit. The event will take place in the Fiera Milano facilities from the 8th to the 11th of May and deals with food topics: from nutrition to new technologies, from climate changes to food security. The visit of Barack Obama will also be the opportunity for the former White House’s tenant to officially receive the keys to the city by the mayor of Milan Mr. Giuseppe Sala. The mayor had the…