Foreign investment, particularly from China, is a hot-button topic in Australia.

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Because broadcasters are leery of violating government restrictions on hot-button political issues, China's dramas typically steer away from subjects like crime and social tensions and often focus on love stories or period sagas.

WSJ: China Bans Commercials During TV Dramas

Foreign investment, particularly from China, is also a hot-button topic in Australia.

WSJ: Australia Attracts More Than $1 Billion in Potential Investment Under Visa Program

Vettel, who collected wins in China and Britain, had emerged as Button's chief rival but Webber's maiden victory on his team-mate's home soil has also put the Australian in the frame for the title race.

BBC: Button eager to stop Red Bull run

Button also won in Malaysia and was third in China to top of the drivers' standings ahead of Sunday's Bahrain Grand Prix, ensuring the Brackley-based team have suddenly become a hot ticket.

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Vettel, who is the only driver apart from Button to actually win a race this season following his victory in China, was the dominant driver throughout the weekend.

CNN: Red Bull 1-2 as Vettel claims British GP

Button claimed four second places in San Marino, Germany, Monaco and China to finish third in the drivers' championship.

BBC: SPORT | Motorsport | Formula One | Button retains BAR team backing