Big Brother (Australian season 7)
Big Brother Australia 2007, also known as Big Brother 7, was the seventh season of the Australian reality television series "Big Brother". Episodes were broadcast on Network Ten in Australia, and the first episode aired on 22 April 2007. 
Despite a drop in ratings compared to previous series, and a number of controversies, the then "Big Brother" executive producer Kris Noble considers the year's series a success. At the end of this season's finale broadcast 30 July 2007, it was announced by host Gretel Killeen that "Big Brother" would be returning for an eighth season in 2008. In the finale Aleisha Cowcher was announced winner of "Big Brother Australia 2007". She won by the closest winning margin ever in the Australian series. The news the following day reported a margin of 51% versus 49% – a difference of 65 votes. This was the last season hosted by Gretel Killeen.
2007 Australian federal election
A debate between the Leader of the Opposition and the Prime Minister, under the moderation of the National Press Club, was shown live on ABC TV, the Nine Network, and Sky News Australia at 7.30 pm on 21 October. Rudd had called for a minimum of three debates between himself and Howard, while Howard, who had been rated poorly by studio audiences at past leadership debates, pressed for a single debate. A total of 2.4 million Australians watched the event, with Nine averaging 1.42 million, the ABC averaging 907,000, and Sky News averaging 62,000. The last election debate in 2004 was watched by 1.77 million on Nine and the ABC, while in 2001, average audiences on Nine, Seven and the ABC totalled 2.44 million. David Speers, Sky News's political editor, moderated the debate which was held in the Great Hall of Parliament House. The debate audience was 400, with the Coalition and Labor each selecting 200.