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Mary Ann Sieghart on the Westminster political week

1 February 2013 Last updated at 10:47 GMT

Journalist Mary Ann Sieghart tried to muscle in on Michael Portillo's act as This Week's railway correspondent, when she took a ride back through the Westminster week.

Her review included the announcement of the detailed route for the HS2 line onwards from Birmingham to Leeds and Manchester - and a ride on a London Underground train by two royals.

Watch the debate that followed this film - and the full programme - BBC iPlayer (UK only)

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