The U.S. Poet Laureate - S3-E17
Character mistake: Jed Bartlett is talking to Leo and Hoynes. He says 'Calvary' instead of 'Cavalry' in the line "Tell Josh that General Pulaski was a Polish Brigadier General who vanquished the Russian and Prussian military then came to the colonies and commanded our cavalry during the American revolution."
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