Oprah Winfrey’s podcast is headed to Amazon . Winfrey’s production company, Harpo Entertainment, struck a multiyear deal to give Amazon-owned Wondery exclusive distributing and advertising rights to “The Oprah Podcast,” the companies announced Monday. Under the agreement, Winfrey’s podcast will expand to two new episodes a week starting this summer — and Wondery will distribute the show’s audio and video across Amazon platforms. Under the deal, Amazon has also obtained rights to the library of the widely-watched “The Oprah Winfrey Show” — which ran from 1986 to 2011 — as well as the talk show host’s book club and “Favorite Things” franchises. No financial terms of the agreement were immediately shared. In recent years, Winfrey also has had partnerships with Apple and Starbucks. Her new agreement could anger independent booksellers who regard Amazon as their primary competitor.…