Remember "Ballast"? The director of one of 2008's most acclaimed indies hadn't been heard from since. He now returns with "Queen at Sea," starring Juliette Binoche as an academic caught in a moral crossfire while caring for her mother, who has dementia. It’s not often that a director waits 18 years to make their second feature — especially after Lance Hammer ‘s first, “Ballast,” was one of the most lauded independent films of 2008. Set in the Mississippi Delta, the film took a humanist approach