By Guy Taylor The Bakerloo Line is at risk of failing as cash-strapped TfL can’t afford new trains. So why on earth is it wasting its time banning revenue-making hot dog adverts, Guy Taylor asks Any regular users of the Bakerloo or Central Lines will know what a dire state they are in. Aside from being roasted alive in a literal oven, commuters are subject to regular delays and cancellations because cash-strapped Transport for London (TfL) can’t afford to buy new trains. The Bakerloo Line’s rolling stock, built when Ted Heath was still PM, is now more than 16 years past its intended life span,…