This link takes you to a critical appraisal of Frank Luntz--who has announced that he is leaving Washington following the Republican defeat of 2006, but he's a worthwhile person to come to understand if you want to know why politicians use the language they do.
2301 students should consider how words can frame issues and manipulate thought, 2302 students should consider how these efforts can assist Congressional agendas and elections.
You may also want to learn about his Democratic counterpart George Lakoff.
Both raise a disturbing question--are we in charge of our thought?