important First Amendment case
... that the United States Supreme Court dismissed an important First Amendment case after it was found to be moot?
... that the <a class="mw-redirect" href="./United_States_Supreme_Court" id="mwC0c" rel="mw:WikiLink" title="United States Supreme Court">United States Supreme Court</a> dismissed an <b id="mwC0g"><a class="mw-redirect" href="./City_News_&amp;_Novelty,_Inc._v._Waukesha" id="mwC0k" rel="mw:WikiLink" title="City News &amp; Novelty, Inc. v. Waukesha">important First Amendment case</a></b> after it was found to be <a href="./Mootness" id="mwC0o" rel="mw:WikiLink" title="Mootness">moot</a>?