Olympic champion David Rudisha targets 100-second 800m
BBC Sport's Gary Lineker asks David Rudisha if he can race the 800m in under 100 seconds after he won Olympic gold with a world record time of one minute 40.91 on Thursday.
The Kenyan admits breaking the 100-second mark will be "difficult" but thinks he can do it if conditions are right.
He adds that he is very happy he was able to achieve "something special" for the spectators at London's Olympic Stadium.
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