米国愛国者法
On Saturday, February 27, 2010, President Barack Obama signed into law legislation that would temporarily extend, for one year, three controversial provisions of the Patriot Act that had been set to expire:&lt;ref name="http://www.csmonitor.com/USA/Politics/2010/0301/Obama-signs-Patriot-Act-extension-without-reforms"&gt;The reauthorization of the Patriot Act Feb 2010 http://www.csmonitor.com/USA/Politics/2010/0301/Obama-signs-Patriot-Act-extension-without-reforms/&lt;/ref&gt;&lt;ref name="http://www.clevelandleader.com/node/13183"&gt;Obama signs one year extension of Patriot Act &lt;/ref&gt;&lt;ref name="http://www.democraticunderground.com/discuss/duboard.php?az"&gt;Democratic Underground – Obama signs Patriot Act http://www.democraticunderground.com/discuss/duboard.php?az=view_all&amp;address=102x4287047&lt;/ref&gt;