Marc Malkin Senior Film Awards, Events & Lifestyle EditorWelcome to this week’s “Just for Variety.”Marlon Wayans says it’s time for a sequel to “White Chicks.” In the 2004 comedy, he and his brother Shawn Wayans star as FBI agents who pretend to be the young white vapid socialites that they have been assigned to protect from a potential kidnapping. “I think ‘White Chicks 2’ is necessary,” Marlon Wayans tells me.