President Palmer says he "invok[ed] executive privilege" to bring Sherry in, but executive privilege is a legal doctrine that allows the President and some high-level executive branch officers to refuse to divulge some information related to executive functions. It does not grant the President or anyone else any other authority.
Towards the end of the episode, when Kim gets out of the car, she says "Oh, my God! He killed her!" The DVD subtitles say "Oh, my God! he killed her!" - "he" should be capitalized.
Mason tells his son of an account he has that no one knows about-an account that has $200,000 in it. That wasn't entirely true. Jack learned of that account in the premier episode Jack accused George of stealing the money after taking down a wealthy arms dealer.