Israel says the release of 50 hostages in Gaza in return for 150 Palestinians will not start before Friday. Retailers forecast a record numbers of shoppers over the Thanksgiving holiday weekend. Protesters rally against a new, police training facility in Atlanta.Up First is produced by Ana Perez, Claire Murashima, and Chad Campbell. Our editors are Michael Sullivan, Emily Kopp, Susanna Capeluto. We get engineering support from Gilly Moon, Phil Edfors, and Kwesi Lee. And our technical director is Stacey Abbott.