Sascha Penn is a screenwriter at the forefront of his craft. With Creed II, The Magnificent Seven, and “Power” under his belt, he has been churning out box office hits and ratings giants for years. Now, in his third season as showrunner for Starz’s “Power Book III: Raising Kanan,” Penn is taking on a John Grisham adaptation, and keeping his foot on the gas. On this week’s episode of Hollywood at Home, Penn shares knowledge garnered from a career that has seen him penciling dialogue for Sylvester Stallone, Patina Miller, Denzel Washington, Tessa Thompson, Ethan Hawke, Chris Pratt, Michael B. Jordan, and more.  With insights on pitching shows, casting characters, and running sets, Penn tells us what it takes to get from an idea to the screen. With bonus stories from his years producing Hannah Montana concerts and marketing for the New York Knicks, this is one you don’t want to miss.