Capt. Barbara “Mouse” Witherell, the only female guide on the Santee Cooper lakes, has earned the respect of her male peers by making consistently outstanding catfish catches. by Terry Madewell With a signature moniker of “Mouse”, making a living as a professional catfish guide can lead to some interesting discussions about flipping the script and having a mouse catch a cat(fish). Capt. Barbara “Mouse” Witherell has been a highly successful fishing guide since 1998.  She is perhaps the best-known guide…