Reuters - The president of an American university said on Thursday he was launching an investigation into an on-campus presentation of a live sex act performed for students at an after class event.<p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="University to investigate live sex demonstration   (Reuters)" href="http://us.rd.yahoo.com/dailynews/rss/education/*http%3A//news.yahoo.com/s/nm/20110303/lf_nm_life/us_university_sex_demonstration" target="_blank">http://us.rd.yahoo.com/dailynews/rss/education/*http%3A//news.yahoo.com/s/nm/20110303/lf_nm_life/us_university_sex_demonstration</a></p>