Emanuel, wearing a green Chicago Public Library T-shirt and shorts,
Cheap Jerseys, went first, with Fallon just after. Both were soaked as they fled the water to cheers from a large crowd. A group of bagpipers, wearing yellow rain boots and traditional kilts, provided the soundtrack for their rapid dash into the 32-degree lake.
The annual event draws several thousand hearty plungers to raise money for Special Olympics Chicago.