Sites with opinion pieces about controversial science topics:

http://www.cato.org/pubs/pas/pa-329es.html

http://www.cato.org/pub_display.php?pub_id=3720

http://www.cato.org/pub_display.php?pub_id=3715

http://www.cato.org/pub_display.php?pub_id=3696

http://www.cato.org/pub_display.php?pub_id=3611

http://www.cato.org/pub_display.php?pub_id=2905

http://www.cato.org/pub_display.php?pub_id=2888

http://www.cato.org/pub_display.php?pub_id=2882

http://www.cato.org/pub_display.php?pub_id=2879

http://www.cato.org/pub_display.php?pub_id=2873

http://www.cato.org/pub_display.php?pub_id=2872

http://www.cato.org/pub_display.php?pub_id=2855

http://www.cato.org/pub_display.php?pub_id=2814

http://www.cato.org/pub_display.php?pub_id=2790

http://www.cato.org/pub_display.php?pub_id=2789

http://www.cato.org/pub_display.php?pub_id=2774

http://www.cato.org/pub_display.php?pub_id=2746

http://www.bbc.co.uk/science/hottopics/obesity/advice.shtml

http://www.junkscience.com

http://www.fair.org/index.php?page=7&issue_area_id=12

http://www.nationalenquirer.com/stories/feature.cfm?instanceid=62210

http://www.nationalenquirer.com/stories/asseen.cfm?instanceid=46300

http://serendip.brynmawr.edu/biology/b103/f00/

(click on First Web Papers , Second Web Papers , and

Third Web Papers for some interesting topic ideas)

http://www.humancloning.org/