US President and former Illinois senator Barack Obama (3R), US first lady Michelle Obama (C), Chicago 2016 Chairman and CEO Patrick Ryan (2L) and Vice President of the international relations for USOC Chicago 2016 Bob Ctvrtlik arrive to watch presentations by delegations of the four cities bidding for a chance to host the 2016 summer olypiades in the conference hall in Copenhagen on October 2, 2009. The International Olympic Committee (IOC) is voting on the destiny of the Summer Games after a final round battle between Chicago, Madrid, Tokyo and Rio de Janeiro.