Todd Spangler NY Digital EditorIn today’s podcast news roundup, Marc Maron goes into business with Acast; iHeartMedia orders slate of podcasts from Bloomberg Media; Financial Times and Pushkin Industries probe the porn biz; Sony Music goes into “Binge” mode; American Girl Doll launches podcast network; and more.Top podcaster Marc Maron inked a three-year deal with indie podcast platform Acast for his podcast “WTF With Marc Maron.” The podcast will now be hosted, monetized and distributed via Acast, and Maron’s show will also be making use of the platform’s paid memberships offering, Acast+. Maron’s podcast has approximately 55 million listens per year, primarily in North America. Maron launched “WTF” in 2009, and since then has become a mainstay in the podcasting world.