Novaya Gazeta is depicted as a sensationalist and grossly irresponsible Russian tabloid. It is actually a highbrow pro-democracy newspaper, published since 1993 by the Gorbachev Foundation. (It is also pronounced NOV-aya, not no-VA-ya.)
A picture was taken by an SR-71 but the SR-71 was retired in 1998.
CJ states that one of the photos shown to her by Agent Ron Butterfield was taken from only twenty feet away. With a good zoom lens, it could have been taken from much farther away, and there is no way to tell from just the picture itself.
Sam tells Charlie that the Steel Worker's Organizing Committee has a new name - The AFL-CIO. In fact, the SWOC disbanded in 1942, and was incorporated into the newly formed United Steel Workers of America union, which was a member of the CIO. The AFL & CIO merged in 1955.
CJ claims that President Bartlet shirked his Secret Service detail to go to a used bookstore. While he did "sneak" out, it was to avoid the press. The Secret Service had the bookstore closed to the public so he could shop securely.