Florida’s governor, Ron DeSantis, is quietly assembling a senior staff for an expected 2024 presidential campaign that will be headed by his top political adviser, Generra Peck, and around seven other Republican operatives serving as top advisers, according to two people familiar with the matter. The leadership roster remains subject to change since the campaign – which could launch as soon as the start of next month – does not yet technically exist and most salaries are being paid, for the moment, through the state Republican party. But some of the senior staff have started to move in recent weeks...