Impoverished Catholic nuns in several Iowa cities may benefit from a comedyshow that opens tonight at the Des Moines Civic Center. Maripat Donovan co-wrote “Late Nite Catechism,” which features an actress playing anun who’s only known as “Sister” while teaching a class.The show premiered in Chicago in 1993. Donovan says a portion of theproceeds from each run of the show go to help aging nuns who have no otherform of retirement income other than charity.She says the show donated 100-thousand dollars last year to various ordersof retired religious sisters across the U-S. Donovan says being Catholic isnot a requirement to have a good time at the show.The show opens in Des Moines tonight and runs through September 26th. Whilespecifics haven’t yet been worked out on the donations, the three largesthomes for nuns in Iowa are in Des Moines, Dubuque and Davenport.