Toby puts two and two together and finds out about the President's "thing" (his multiple sclerosis). Then he challenges him on it---forcefully. Also challenging Bartlet is a terrorist threat, and he must decide whether to beef up security at U.S. airports. Meanwhile, staffers struggle to punch up a speech the President is to give at the White House Correspondents Dinner ("It's not funny," Leo sniffs); Josh and Donna bicker over their "anniversary"; and Sam and Ainsley bicker over the ERA.