Bomb Kills Venezuela Prosecutor, Gov't Swipes at U.S. &lt;p&gt;&lt;/p&gt;&lt;p&gt; By Patrick Markey&lt;/p&gt;&lt;p&gt; CARACAS, Venezuela (Reuters) - A Venezuelan prosecutorprobing a 2002 coup against President Hugo Chavez was killed bya car bomb that the government blamed on Friday on radicalopponents it said were training in the United States.&lt;/p&gt;