By Jack Barnett There are growing doubts over whether the fiscal statement will be delivered on 31 October following Liz Truss’s resignation as prime minister today after just 44 days in office, City A.M. understands. Truss’s exit has triggered a second Tory leadership race that is expected to yield a new prime minister on 28 October, just three days before the scheduled announcement. Treasury officials are thought to be working towards delivering the package on the existing date. However, the decision to delay or stick to the date is understood to ultimately be down to the new prime minister….