Brazil Says Will Open 'Dirty War' Archives &lt;p&gt;&lt;/p&gt;&lt;p&gt; By Andrew Hay&lt;/p&gt;&lt;p&gt; RIO CUEIRAS, Brazil (Reuters) - Brazil's center-leftgovernment will unseal archives of the country's 1964-85military dictatorship in an effort to resolve a painful chapterin the nation's recent history, the justice minister said onTuesday.&lt;/p&gt;