Rachel Zegler and Tom Blyth can officially welcome fans back to Panem. “The Hunger Games” prequel “The Ballad of Songbirds and Snakes” has received an interim agreement from SAG-AFTRA, which means that stars Zegler, Blyth, Viola Davis, Peter Dinklage and Hunter Schafer are allowed to promote the film before it premieres in theaters on Nov. […]