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Colbert is a frequent guest on the programs of John Hagee, Joyce Meyer, Kenneth Copeland and other fundamentalist Christians. Colbert has also been featured in Readers Digest, Prevention, Charisma and Newsweek.
Colbert lives in Central Florida with his wife Mary Colbert.
- Abby Ellin (May 29, 2004), "Religion Journal; Seeing Overeating as a Sin, and God as the Diet Coach", The New York Times
- John Leland (April 28, 2005), "Christian Diets: Fewer Loaves, Lots of Fishes", The New York Times
- Joan Nathan (August 22, 2007), "Of Church and Steak: Farming for the Soul", The New York Times