Are Voters Ready For A Woman Or African American In The White House? (CBS) CHICAGO -- Sen. Barack Obama's popularity is growing since he announced that he's exploring a presidential run. A new poll now has Obama leading Sen. Hillary Clinton (D-N.Y.). CBS 2 Political Editor Mike Flannery talks about the battle between senators Obama and Clinton with one of America's most distinguished historians. Pulitzer Prize-winning historian Garry Wills thinks Obama would be a good president, even though Wills has never met the senator. He has met and says he likes Clinton, but although she has more of what...