By Paula BurkesBusiness writerpburkes@oklahoman.comWhen the New York-based Public Relations Society of America put out a request for proposals from firms interested in crafting a campaign to increase membership in its college chapters nationwide, Karen Wicker decided her small Oklahoma City firm — Candor — should vie for the project.“We really thought they’d hire a large firm in New York or L.A., but we submitted a David-versus-Goliath pitch,“ Wicker said.Read more on NewsOK.com