Mail Online – The bingo industry is hoping for a multi-million pound windfall this week as George Osborne looks likely to cut its tax rate to bring it into line with other gambling. Bingo, traditionally seen as a ‘soft’ type of gambling compared with casinos or gaming machines, is taxed at 20 per cent, unlike the 15 per cent rate levied on other gambling, including sports betting. But with the arrival at the end of the year of a tax for offshore-based online gambling, which is likely also to be at 15 per cent, Osborne is expected to correct the…