Julia Gillard some policy debate about immigration policy. Significant disaffection had arisen within the Labor Party as to the leadership style and direction of Rudd. On 23 June 2010 he announced that Gillard had asked him to hold a leadership ballot the following day to determine the leadership of the Labor Party, and hence the Prime Ministership of Australia. As late as May 2010, prior to challenging Rudd, Gillard was quipping to the media that "There's more chance of me becoming the full-forward for the Dogs than there is of any change in the Labor Party". Consequently, Gillard's move against Rudd on
Acting prime minister is on vacation, or is in ill health. In the early 20th century, when travel by ship was still the norm, it was not uncommon for there to be an acting Prime Minister for months on end. The deputy Prime Minister is usually designated as the acting Prime Minister, although another senior member of the government may fill the role if both the Prime Minister and deputy Prime Minister are unavailable. An acting Prime Minister is required quite frequently – for instance, between 3 December 2007 and 23 February 2009 (during Kevin Rudd's first term), Julia Gillard acted as Prime