Obama criticizes war in Iraq during Ames visit By Charlotte Eby, Journal Des Moines Bureau AMES, Iowa -- A day after jumping into the presidential race, Democrat Barack Obama began the courting of Iowa party activists Sunday with a blistering critique of the war in Iraq. More than 6,000 people who came to hear him at the Iowa State University campus saved their biggest cheers for his criticism of the war. "We ended up launching a war that should have never been authorized, and should have never been waged, and to which we now have spent $400 billion and have...