&lt;div class=&#34;meta &#34;&gt;&lt;span class=&#34;caption-text &#34;&gt;Police are engulfed by their own tear gas at a demonstration in Cairo, Egypt Tuesday, Jan. 25, 2011. Thousands of anti-government protesters, some hurling rocks and climbing atop an armored police truck, clashed with riot police Tuesday in the center of Cairo in a Tunisia-inspired demonstration to demand the end of Hosni Mubarak&#38;#39;s nearly 30 years in power. &#38;#40;AP Photo&#38;#47;Nasser Nasser&#38;#41; &#40;AP Photo&#38;#47; Nasser Nasser&#41;&lt;&#47;span&gt;&lt;&#47;div&gt;