US President Barack Obama (L), surrounded by US Secret Service agents, walks to greet guests upon arrival on Air Force One at Tampa International Airport in Tampa, Florida, on April 13, 2012. Obama arrived in Tampa to speak at the Port of Tampa, before continuing to the Summit of the Americas in the Colombian city of Cartagena. AFP PHOTO/Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
The agency is expected to announce that two more of its members have stepped down, and that “the process has begun” for a third to do the same. Two others have been cleared, which brings the grand total Secret Service departures (or firings) tonine.