WASHINGTON (AP) - Cindy McCain, who two weeks ago said she would never make her tax returns public, revealed Friday that she had a total income of more than $6 million in 2006. The presidential campaign of her husband, Republican John McCain, released the top two summary pages of her 2006 tax return, eager to avoid making her earlier refusal an issue in the contest. The documents show that Mrs. McCain, who files her taxes separately from her husband, paid more than $1.7 million in federal income taxes—a tax rate of more than 28 percent. She reported nearly $570,000 in...