The upcoming third season of OWN Network’s Queen Sugar will focus on the “journey of fatherhood,” the series’ new showrunner Kat Candler said at PaleyFest in Los Angeles on Saturday. “I’m excited about just watching the complexities of that relationship unfold,” she said, then raised some laughs when she added, “I'm excited about some godfather s**t.” The Oprah Winfrey and Ava DuVernay executive produced show explores the lives and relationships of three Louisiana…