Sack Boris campaign's Oyster card sleeves help Londoners express their support for public transit with each ride

The Sack Boris campaign, which seeks the ouster of London Mayor Boris Johnson, has a nice line of brightly coloured Oyster-card sleeves that can be yours for a mere £3 donation. The mayor has increased bus-fares by 44% since he took office in 2008, and he is up for re-election in 2012.

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