WASHINGTON (AFP) - US officials might see the trial of Saddam Hussein, which opens on Wednesday, as helping to justify an increasingly unpopular Iraq war, but it could end up as a double-edged sword for them, analysts said. They said the Americans could use Saddam's trial for crimes against humanity in a 1982 massacre of Shiites as a reminder of the cruel and ruthless regime they toppled in April 2003. They said the high-profile quest for justice could also provide a welcome counterpoint to the daily grind of violence and political turmoil that has plagued post-Saddam Iraq. But experts also...