NEW YORK (AFP) - US President Barack Obama placed his support firmly behind his country’s bids to host either the 2018 or 2022 World Cups on Wednesday. Obama, who is playing a prominent role in supporting Chicago’s bid to host the 2016 Summer Olympics, has written a letter to world governing body FIFA expressing his full support. He drew on his experiences as a child growing up in Indonesia - where his mother had taken him after she married an Indonesian - and those of his two daughters in t