U.K. Finance Minister Rachel Reeves is walking a tightrope as her critical Autumn Budget looms, as pressure mounts to appease voters, shore up public finances and convince money markets her policies are sound. Thanks to her self-imposed fiscal rules, which she has doubled down on in recent weeks, Reeves has been left scrambling to find strategies that can plug a multi-billion-pound hole in public finances by the time she delivers the budget on Nov. 26. That means drastically cutting spending or