WSHU - Sacred Heart University's NPR network - has decided to silenceboth WNLK 1350 Norwalk, CT and WSTC 1400 Stamford, CT effective today.WSHU claimed that the combined listenership was about 900 people - not enough to sustain continued operation of the stations. These stations aresupposed to be for sale. Karl Zuk Katonah, NY