By Iain Withers and Tommy Reggiori Wilkes LONDON (Reuters) -Britain must not deter pension savers with tax changes in next month's budget, Legal & General CEO Antonio Simoes told Reuters, adding that uncertainty was souring investment as the UK's biggest investor battles to sell its own strategy. Simoes, who has led the FTSE 100 giant since the start of 2024, said clarity was needed amid concerns taxes could rise for savers, the wealthy or businesses in UK finance minister Rachel Reeves' budget on Novemb ...