SARAH Jessica Parker, the star of the television hit Sex and the City, is to hang up her trademark Manolo high-heels and embrace a career on the political stage by running for the US Senate. The actress, who plays the newspaper columnist Carrie Bradshaw in the series, screened on Channel 4, is a long-time supporter of the Democratic Party, having once dated the late John F Kennedy Jr, the son of the late president. Parker, 37, who is expecting her first child with her husband, the actor Matthew Broderick, joins many other celebrities who have become stars of the political...