The Panel with Penny Ashton and Tim Watkin (Part 2)

Cosmologist Richard Easther talks about the Cassini spaceship's distinguished career as it plummets into Saturn later today. What the Panelists Penny Ashton and Tim Watkin want to talk about. Parasitologist Bruce Russell on the bug toxoplasma gondii that has a bigger impact than previously known. Laim Neeson's retiring from action movies at the age of 65 citing his age. Is he past it?