Uncertain Landscape For Copyright Protection An otherwise routine power shift on the Senate Judiciary Committee could have far-reaching implications for high-tech firms, movie studios, record companies and the future of downloading. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-washingtonpost.com&lt;/b&gt;&lt;/font&gt;