Here's what's happening today in pop culture:
• Sir Paul McCartney throws his name in support of the Russian punk/art band Pussy Riot, facing a seven-year prison term for "hooliganism" after a prank in a Moscow cathedral that criticized Russian President Vladimir Putin. Meanwhile, other supporters of the band are mounting rallies around the world. [The Hollywood Reporter; NBC News]
• Jodie Foster writes a moving essay defending Kristen Stewart and blasting the media culture that hounds movie stars in their personal lives. Foster speaks from expertise, sharing with Stewart (her co-star in "Panic Room") a life as a child actress transitioning to adult roles. [The Daily Beast]
• Phyllis Thaxter – best known for playing Martha Kent, Clark Kent's mom, in the 1978 version of "Superman" – has died at the age of 92. [Los Angeles Times]