Istanbul, Madrid and Tokyo make presentations for 2020 Olympics

Japan prime minister Shinzo Abe addresses the IOC during presentations for 2020 Olympic bids.
Natacha Pisarenko/AP

With two IOC members absent, 95 will be eligible to vote in the first round. With a majority required for victory, the process is likely to go two rounds. The city with the fewest votes is eliminated after the first round, setting up a final head-to-head ballot. Outgoing IOC President Jacques Rogge will open a sealed envelope to announce the winner.

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