https://kathrynwelds.com/2026/04/29/negotiation-drama-strategic-umbrage-line-crossing-illusion-and-assertiveness-biases/Kathryn Welds, PhD | Curated Research + Commentaryen2026-04-29T12:00:00+00:00“Strategic Umbrage” as Negotiation Strategynegotiation, Bias, Self-Awareness, Assertiveness, Frank Flynn, self-regulation, self-perception, strategic umbrage, line crossing illusion, Daniel Ames, Abbie Wazlawek, meta-perception, high context culture, low context culture, Jeffrey M Kern, Cecilia Falbe, Gary Yukl, Edward T. Hall, ui