SANTA MONICA, Calif., 2016-Sep-02 — /EPR Retail News/ — Macerich (NYSE: MAC), one of the nation's leading owners, operators and developers of one-of-a-kind retail properties in top markets, today (Sept. 1, 2016) celebrates the official opening of the expansion and major redevelopment of Broadway Plaza in Walnut Creek, Calif. The iconic open-air retail center, anchored by Nordstrom,…