High Court to Hear Cable Internet Case  WASHINGTON (Reuters) - The U.S. Supreme Court said on  Friday it would decide what regulations should apply to  high-speed broadband Internet service offered by cable  television companies like Time Warner Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=TWX.N target=/stocks/quickinfo/fullquote"&gt;TWX.N&lt;/A&gt;