text: High Court  to Weigh File-Sharing Case The Supreme Court said it would rule on an appeal by movie and record companies, headed by Metro-Goldwyn-Mayer Studios, that say they should be able to sue the file-sharing services, Grokster Ltd. and StreamCast Networks Inc. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/b&gt;&lt;/font&gt;