Continuity mistake: Season 7, episode 2, "The Mommy Problem." At the end of the episode, when Matt Santos is approaching his fighter jet, the number "15" is on the left part of the jet's nose. Later, when the jet is taxiing towards take-off, the number changes to "01".
Continuity mistake: After Louise Thornton leaves the Democratic media consultant meeting, Josh runs after her inside the Santos campaign HQ. At some point he talks to her while catching up on her and ends the shot walking ahead of her. In the very next shot, he is again behind her, walking at a fast pace to catch up. (00:16:55)
Answer: It's in reference to the many televangelists and revival ministers usually associated with the right-wing that have been convicted of tax fraud (Jim Bakker and Tamy Faye being a more famous set). Occasionally, the more unscrupulous ministers have bilked millions from believers all in the name of God.
Nikki