The family of Marvin Gaye is claiming that Robin Thicke’s song “Blurred Lines” sounds suspiciously like Gaye’s 1977 hit "Got to Give It Up.” But unlike most cases like this, Thicke didn’t settle. He and co-defendants Pharrell Williams and T.I. are in court. The trial began last week and resumes tomorrow. We check in on the legal case and why it’s gotten this far.