 She attended The College of Saint Rose from 1982 to 1986.Horn worked as a liaison between Blue Cross-Blue Shield and physicians from 1986-1990, worked with her husband at his management-consulting firm from 1990 to 1997, was a print journalist at "The Telegraph" from 2002 to 2008, and a radio talk-show host from 2006 to 2008.In the 2008 campaign for U.S. Representative for the Second Congressional District of New Hampshire, Horn ran against incumbent Paul Hodes.