Here's what's happening today in pop culture:
• The first showings ever of a Quentin Tarantino movie in China didn't last long: Screenings of "Django Unchained" were stopped seconds after they began, for unspecified "technical reasons." [The Hollywood Reporter]
• Jay-Z answers back to critics who complained about his and Beyonce's trip to Cuba – with a blistering (and profane) rap song. [The Huffington Post]
• Syfy is developing a miniseries based on Larry Niven's classic science-fiction novel "Ringworld." [Entertainment Weekly]