Agence France Presse: Australian Prime Minister Julia Gillard was heckled by rowdy protesters on Friday as she announced her new climate change policy ahead of next month’s elections. Security staff tackled one demonstrator to the ground and led him away in handcuffs, while chanting could be heard through much of Gillard’s address at a Brisbane university campus. The prime minister made a slight pause and smiled briefly during the disturbance as she announced a community-based “citizens assembly” to …