text:  The latest tests indicate the River Seine is not ready for the Paris Olympics. CBS's Elaine Kahn. Many Parisians felt it was a crazy idea from the start. And after months of constant rain and cool temperatures, the latest water tests say the Seine is just too polluted for swimming in. Just a month before the Paris Olympics, there's still a question mark over the open water swimming and triathlon events planned for the river. But the Games organizers haven't written it off yet.