ice pops

Sage Kos, 11, and her brother Cedar Kos, 13, help a customer at Niskayuna Town Hall Thursday, August 9, 2018. (Peter R. Barber/Gazette Photographer)

Middle school siblings put summer on ice

To run a successful business, executives must have ice-cold nerves. Cedar and Sage Kos — executives in training — have ice-cold products. And a cool approach to a summer enterprise. The Niskayuna brother and sister team have been selling homemade…