Tortoise thwarts eco-tycoon Vince with deal to buy The Observer - Tortoise Media closes deal to buy Observer - World's oldest Sunday newspaper, the UK's Observer, sold in face of journalistic opposition - Guardian Journalists Strike Over Planned Sale of The Observer - Guardian signs controversial deal to sell The Observer to Tortoise Media - Vince accuses Guardian owner of 'untruth' over Observer approach - Observer newspaper sale to Tortoise Media approved - Sale of UK's Observer, world's oldest Sunday newspaper and a bastion of liberal values, is agreed - Sale of U.K.'s Observer, world's oldest Sunday newspaper and a bastion of liberal values, is agreed - The Guardian Approves Sale Of The Observer To Tortoise Media