Edited sentence: Additionally, some of his regular "experts" have questionable credentials.For example, Tobin Smith sells a $3000 subscription newsletter specializing in "micro-caps" (i.Guests offering "expertise" on Cavuto's show are also unusual.In August 2006, during the first anniversary of Hurricane Katrina, Your World guests offering commentary on the subject included fitness guru Richard Simmons and boxing personality Don King.Providing commentary on the 2006 fighting between Israel and Hezbollah was comedian Art Linkletter.penny stocks), yet recommends and defends questionable companies such as Interpharm and Xethanol