View Post NBC Affiliates | Top 10 Veteran Reporter Lu Ann Cahn Leaving WCAU By Aneya Fernando on Dec. 10, 2014 - 3:07 PM Longtime investigative reporter Lu Ann Cahn has announced that she will be retiring from WCAU, the NBC owned Philadelphia station. Cahn joined WCAU in 1987 as a general assignment reporter and spent the next 27 years at the s ...