CORRECTION White House Fence JumperThe Secret Service has decided to remove four of its most senior officials while a fifth has decided to retire, the biggest management shake-up at the troubled agency since its director resigned in October after a string of security lapses, according to people familiar with internal discussions. The departures would gut much of the Secret Service’s upper management, which has been criticized by lawmakers and administration officials in recent months for fostering a culture of distrust between agency leaders and its rank-and-file, and for making poor decisions that helped erode quality. Acting Director Joseph P. Clancy on Tuesday informed the four assistant directors who oversee the Secret Service’s core missions of protection, investigations, technology and public affairs that they must leave their posts within 30 days. More