ROCHESTER, NY, 2015-6-29 — /EPR Retail News/ — The Smithsonian’s National Museum of American History will open “Wegmans Wonderplace” Dec. 9 as the first exhibition on the National Mall designed for the learning needs of children 6 and under. Made possible by a $1.5 million gift and in-kind donations from Wegmans Food Markets, this space will…