Holder is a contributor for the Fox News Channel. Previously, she was a frequent guest on CNN, HLN and TruTV. She has written for The Huffington Post, The Daily Caller and GrassRoots (a medical marijuana magazine). Holder is a frequent radio guest on WABC’s Hannity and guest co-hosted the show on December 26, 2012, with Bernard McGuirk. Holder guest hosted The Five on March 12 and 13, 2012. On July 12, 2007, Holder testified as an expert witness before the Congressional Committee of Transportation, Sub-Committee of Maritime and Infrastructure. Holder wrote the forward to the book, Hanging on by My Fingernails. She also appeared in the 2012 film, Atlas Shrugged: Part II, in which she played herself, alongside Sean Hannity, Juan Williams and Bob Beckel.