Ambitious bids were sought for failed British rail line, MPs told

Britain's Department for Transport (DfT) encouraged "ambitious" bidding on revenue projections for the failed East Coast main line contract, a rail expert told MPs on Monday.Last week the British government said it planned to renationalise the route between London and Edinburgh, scrapping a contract with Stagecoachand Virgin, prompting a committee to hold the post-mortem to find out what went wrong.Problems with the bidding process were partly to blame for the demise of the contract, rail expert