We obviously know about biased news reporters or biased media outlets.

How do they learn to influence their readers or listeners.

http://www.onenewsnow.com/Education/Default.aspx?id=1450880

http://frontpagemag.com/2011/10/06/journalism-and-jihad/

an excerpt:
 After all, it’s difficult to advance the Brotherhood’s agenda of “eliminating and destroying Western civilization from within” when the media keep reporting on a steady stream of terror plots, honor killings, and encroachments by shariah on American soil.

http://online.wsu.edu/courses/ISLAM/

http://online.wsu.edu/courses/islam/islamforjournalists.aspx