AP - The mother of a black Ohio fifth grader assigned to play a slave for a social studies lesson says the school should be more sensitive.<p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="Ohio school sorry for making black student 'slave'   (AP)" href="http://us.rd.yahoo.com/dailynews/rss/education/*http%3A//news.yahoo.com/s/ap/20110304/ap_on_re_us/us_ohio_school_slave_apology" target="_blank">http://us.rd.yahoo.com/dailynews/rss/education/*http%3A//news.yahoo.com/s/ap/20110304/ap_on_re_us/us_ohio_school_slave_apology</a></p>