British singer-songwriter and activist Billy Bragg joined ABC staff on the picket line in Sydney on Wednesday afternoon, delighting them with an acoustic rendition of Woody Guthrie’s Union Maid. Bragg, 65, is touring the country again playing multiple shows spanning his long career including a three-night run at the Enmore theatre in the inner city. He is famously friends with the prime minister, Anthony Albanese, but it was former Labor politicians Peter Garrett, wearing a Midnight Oil cap, and Kristina Keneally who were among the sold-out audience on Monday night. Bit of vintage #BillyBragg at the ABC Sydney stop work...