PARIS — A hot-air balloon brought an Olympic ring of fire into a rainy sky and singer Celine Dion belted from the Eiffel Tower as Paris kicked off its first Summer Olympics in a century Friday, with a four-hour-long, rule-breaking opening ceremony that unfurled along the Seine River. On-and-off showers did not seem to dampen the enthusiasm of the athletes. Some held umbrellas as they rode boats down the river in a showcase of the city’s resilience as authorities investigated suspected acts of sabotage targeting France’s high-speed rail network. With the ambitious ceremony, the stakes for France were immense. Dozens of heads of state and government were in town, and the world was watching as Paris turned itself into an open-air theater. Along the Seine, iconic monuments became stages for dancers, singers and other artists. That included the Louvre Museum, near where French judo champ Teddy Riner and three-time Olympic champion runner Marie-Jose Perec lit the Olympic cauldron, which was attached to a giant balloon that floated into the night — an homage to early French pioneers of manned flight. “We survived the rain, but it didn’t spoil any of our fun,” USA beach volleyball player Kelly Cheng said. “This was one of the most magical nights of our lives.” Despite the weather, crowds crammed the Seine’s banks and bridges and watched from balconies, “oohing” and “aahing” as Olympic teams paraded in boats down the waterway that got increasingly choppy…Read more