The US Department of Defense has cancelled a controversial $35 billion bid competition for a fleet of new air refueling tankers because the current administration no longer has enough time to complete it in a ÔÇ£fair and objective" way. ┬á The contract was initially awarded in February to Northrop Grumman and its European partner EADS, parent company of Airbus, but a successful appeal by Boeing to the Government Accountability Office led to the Pentagon deciding to launch a fresh contest.┬á┬á ┬á The GAO investigation found ÔÇ£significant errorsÔÇØ in the original bid pr