NEW YORK -- The LEGO brand celebrated its 90th birthday with the unveiling of a brand new playground in Harlem Wednesday. Kids from Brotherhood Sister Sol joined in the fun for LEGO's inaugural World Play Day. "So much of the work we do with young people is about finding their voice, and a central way that you find voice is through play, through exploration," said BroSis co-founder Khary Lazarre-White. LEGO enlisted the eye of artist Hebru Brantley to bring to life a vision of adventure."Growing up, I didn't have many shining examples or many outlets for creativity," Brantley said, "so if I...