Polar Bear Plunge, Heart Health, Brunch, Plenty of Tunes Come cheer the bravest divers around as they take the icy plunge into Goodyear Lake to raise money for sick kids and their families at the annual Goodyear Lake Polar Bear Jump. 9:30 a.m. registration, 12:30 p.m. jump. Saturday, Feb. 16, Goodyear Lake. Info, www.pbjump.com • The annual outdoor games come inside as Lumberjacks show off their stuff. Demonstrations and music by Nick LeDuc. All proceeds benefit the Daily Bread…