Romantic fiction readers and authors around the world have reacted angrily as it become clear yesterday that a plagiarist who goes by the pen names Kay Manning and Payton Bradshaw had not only plagiarized work by author Liz Fielding but a number of other authors. Romance stories by Julia Kenner, Catherine Mann, Marie Ferrarella, Gena Dalton were all discovered being sold online by Kay Manning/Payton…