The leak of a CIA operative's name has also exposed the identity of a CIA front company, potentially expanding the damage caused by the original disclosure, Bush administration officials said yesterday. The company's identity, Brewster-Jennings & Associates, became public because it appeared in Federal Election Commission records on a form filled out in 1999 by Valerie Plame, the case officer at the center of the controversy, when she contributed $1,000 to Al Gore's presidential primary campaign. After the name of the company was broadcast yesterday, administration officials confirmed that it was a CIA front. They said the obscure and possibly...