LANDMARK EXHIBITION – SLAVERY AT JEFFERSON’S MONTICELLO: PARADOX OF LIBERTY  SET FOR THURSDAY, SEPT. 20 AT 10 A.M. AT AFRICAN AMERICAN MUSEUM African American Museum, Dallas in historic Fair Park the first to host the updated touring exhibition September 22-December 31, 2018, featuring expanded content new to the exhibition.  WHAT: The Media Preview Day for Slavery at Jefferson’s Monticello: Paradox of Liberty – a groundbreaking exhibition that brings to life the story of slavery at Monticello through more than 300 objects, works of art, documents and artifacts unearthed at the storied plantation – will be Thursday, Sept. 20, at 10 a.m. at the African American Museum, Dallas in Fair Park. Dallas is the first city to host the updated touring exhibition,…