The Paris Olympics men's triathlon, due to start Tuesday, has been postponed by organizers for a day due to low water-quality levels in the river Seine, where the event's swimming leg is to take place.The decision by the local organizing committee and triathlon's international federation was made after tests revealed that portions of the route did not meet World Triathlon's safety thresholds.Cleaning up the Seine and making portions of it safe for swimming is one of the planned legacies of the Paris Olympics. The river was the stage for Friday's unique opening ceremony, the first in Olympic…READ FULL ARTICLE