Senator Barack Obama says he may try to block the confirmation of a high-level nominee to the State Department out of concerns over racially insensitive comments attributed to her in the past. Mr. Obama, (D-I) and the only African-American member of the Senate, said he was pressing to gain access to a background report by the Federal Bureau of Investigation and other records regarding the nominee, Henrietta Holsman Fore, the director of the United States Mint, who is President Bush's candidate to be under secretary of state for management. The position is the State Department's top human resources job. While...