Chicago — Chicago’s famed Rainbow Cone will celebrate the grand opening of its second brick-and-mortar location on May 5th in Lombard, Ill. For nearly 100 years, the Original Rainbow Cone has served ice cream featuring extraordinary flavors and textures, including the world-famous 5-flavor combination of chocolate, strawberry, palmer house, pistachio and orange sherbet, sliced — not scooped. The Lombard location will feature Rainbow Cone’s vibrant colors in the interior, creating a welcoming space for friends and family to gather. The exterior will consist of pink and white polka dots, allowing …