As Angelina Jolie announces that an 87% cancer risk has prompted her to have a double mastectomy, Tim Harford assesses the probabilities associated with the disease. Plus, has the UK been hit by a Romanian crime wave? Also in the programme: Education Secretary Michael Gove\u2019s use of PR surveys; and why the UK\u2019s poor growth has not had led to the high levels of unemployment that economists would expect.