Romney campaign touts his tax return transparency

TAMPA, Fla. (AP) - Republican presidential candidate Mitt Romney paid about $3 million in federal income taxes in 2010, having earned more than seven times that from his investments. Those earnings, $21.7 million, put him among the wealthiest of American taxpayers. Romney's campaign said Tuesday he followed all tax laws. At the same time, Romney gave nearly $3 million to charity - about half of.