Final answer:
One contemporary issue where the differences in knowledge and reason are apparent is the debate over climate change, which involves scientific knowledge and reasoning as well as differing interpretations of historical data.
Step-by-step explanation:
One contemporary issue where the differences in knowledge and reason are apparent is in the debate over climate change. This issue involves scientific knowledge and reasoning as well as differing interpretations of historical data. Supporters of action to mitigate climate change rely on scientific evidence and reason based on the lessons of history, while skeptics may argue against the validity of the evidence or prioritize other factors over scientific consensus.