A Democratic staff memo discussed how best to gain political advantage from the Senate Intelligence Committee's investigation into the Bush administration's use of intelligence prior to the war in Iraq. The memo is a sorry example of putting party politics ahead of the national interest. The memo, which was leaked to Fox News Channel commentator Sean Hannity last week, caused a terrible rift between Democrats and Republicans on the traditionally nonpartisan Senate Intelligence Committee, which has access to the nation's most closely held secrets, and struck a body blow to whatever bipartisan cooperation there was on the Senate floor. Written...