Rumsfeld Urges Latin America to Unite in Terror War &lt;p&gt;&lt;/p&gt;&lt;p&gt; By Charles Aldinger&lt;/p&gt;&lt;p&gt; QUITO, Ecuador (Reuters) - All of Latin America mustrealize that terrorism is a growing threat in the Americas andthat the only way to defeat extremist guerrillas like al Qaedais to join ranks, Defense Secretary Donald Rumsfeld said onTuesday.&lt;/p&gt;