As Simon Hughes was swanning around the stage at LibDem conference, Guido was peking into the LibDem Deputy Leader’s latest donations. He can reveal that London Duck Tours have been footing the bill for Hughes’ office upkeep to the tune of £4,950. Incidentally the business requires access to the Thames, and Hughes’ seat is in Southwark. The Liverpool branch of the company hit the news earlier this year when one of their amphibious bus boats sank with 31 people on board. No fowl play, however. Owner John Bigos winged it at the time, claiming that the fact he had fired half of his staff was not to blame for the poultry service. One donor who’s not contributing to the LibDems’ Million Jobs campaign then…