“Peaky Blinders” creator talks about his new challenge, “Maria”

Screenwriter Steven Knight introduced the ultimate days of late opera singer Maria Callas to the display within the new movie “Maria,” starring Angelina Jolie. Knight, who can be a producer and director, can be identified for his work on the tv hit “Peaky Blinders.” He opened as much as CBS Saturday Mornings’ Dana Jacobson about how he brings tales to life.