We don't have enough information to know exactly who Karen is. She could be an ordinary person, a student, a teacher, or just someone who likes to read stories.
Given only 'dateline karen read story', Karen's identity remains a mystery. She might be a staff member at Dateline who was reading a story for work purposes. Or she could be a person who was interviewed by Dateline and was reading a story during the interview, or she could be an ordinary person whose story - reading experience is being highlighted in relation to Dateline.
King Alexander in the King Alexander and spider story was a significant character. He was probably ruling over a kingdom and constantly dealing with various difficulties. His encounter with the spider that kept trying to spin its web despite setbacks served as a turning point. It made him realize that he too could face his challenges with the same kind of perseverance as the spider, and perhaps this newfound inspiration influenced his leadership and decision - making in some way.
As I said before, without more context, it's hard to determine who they specifically are. They could be just ordinary people in a small town with their own simple and beautiful love story, or they could be figures from a certain historical era or a fictional story.
One of his major achievements was the unification of different regions under his rule. He conquered many lands, from Greece to parts of Asia, which led to a large and diverse empire. This also allowed for the spread of Greek culture in the conquered areas, known as Hellenization. Another important aspect was his military leadership that enabled him to defeat much stronger opponents at times.
Without more context, it's hard to say exactly who they are. They could be a family, with Karen Ann being an individual within the Quinlan family. Maybe they are people who have had some interesting or important experiences that are worth sharing in this story.
In 'Karen Eiffel Stranger than Fiction', Karen Eiffel is a key character. She is a writer, and her actions and the story she is writing are central to the plot. Her role creates a unique situation where the fictional world she is creating intersects with the real life of the other main character in a very strange and unexpected way.