Governor General Michael Jeffrey on 3 December 2007, with Gillard appointed Deputy Prime Minister. Gillard was also assigned the portfolios of Minister for Education, Minister for Employment and Workplace Relations, and Minister for Social Inclusion. In her role as a minister, Gillard removed the WorkChoices industrial relations regime introduced by the Howard government, as well as some earlier reforms of the Hawke-Keating government, and replaced them with the Fair Work Bill. The bill established a single industrial relations bureaucracy called Fair Work Australia (FWA), in addition to the Fair Work Ombudsman (FWO), and both became operational on 1 July 2009. In 2009 Gillard oversaw the government's "Building the Education Revolution" programme that allocated $16 billion towards the building of new school accommodation, such as classrooms, libraries and assembly halls. The programme was part of the government's economic stimulus response to the 2008 Global Financial Crisis and its expense became controversial. Gillard becomes Prime Minister After an initial period of popularity, by mid-2009, following the failure of the government's insulation program and amidst controversy regarding the implementation of a tax on mining, the failure of the government to secure passage of its Carbon Trading Scheme, and debate about immigration policy, significant disaffection had arisen within the Labor Party as to the leadership style and direction of Kevin Rudd. According to the ABC's 7:30 Report, the seeds for a push for Julia Gillard to challenge Rudd came from "Victorian Right factional heavyweights" Bill Shorten and Senator David Feeney, who secured the support of "New South Wales right power broker" Mark Arbib. Feeney and Arbib went to discuss the matter of leadership challenge with Gillard on the morning of 23 June and a final numbers count began for a leadership challenge. The Sydney Morning Herald reported on 24 June that the final catalyst for this move was "sparked by a report in [the Herald of 23 June] that Mr Rudd had used his chief of staff, Alister Jordan, to sound out the backbench over the past month on the level of support for him. This followed a Herald/Nielsen poll which showed the government would lose if an election were held then" and that "Rudd's action was regarded as a sign that he did not trust the repeated assurances by Ms Gillard that she would not stand". On 23 June 2010, Kevin Rudd called a press conference announcing that a leadership ballot of the