(Harrisburg) -- Carlisle Mayor Kirk Wilson is stepping down after 26 years in office to take a job as a television reporter with CBS 21. He will leave office, effective January 4th. The former president of the Pennsylvahia League of Cities and Municipalities has a previous background in broadcast news. He served as news director for WHYL at the beginning of his career and joined CBS 21 in 1978, where he covered the nuclear accident at Three Mile Island.