WASHINGTON--Democratic presidential hopeful Al Sharpton is the subject of a federal tax audit, a new financial disclosure report shows. The report, filed with the Federal Election Commission on Thursday by Sharpton attorney Michael Hardy, said Sharpton is facing a civil audit. The Internal Revenue Service audit covers several years in the 1990s, Hardy said. "We don't know what the result will be. They could owe me," Sharpton, a New York-based civil rights activist, said Friday in a telephone interview. Sharpton's report to the FEC also shows that he earned at least $381,900 through various enterprises, including $120,000 from Rev. Al...