By Evan Bleier Approaching her four-year anniversary of leaving ESPN in the wake of referring to former President Donald Trump as a “bigot” and “white supremacist” in 2018 on social media, Jemele Hill is opening up about her time at The Worldwide Leader and what ultimately led to her departure. According to the 46-year-old, who joined ESPN as a columnist in 2006 and moved up in the ranks at the network all the way to anchoring SportsCenter in 2017, she left of her own accord because of the “conservative culture” at the Disney-owned content platform. “It’s a conservative culture at ESPN and so …