NEW YORK David Corn, co-author with Michael Isikoff of the new book "Hubris" that has made so much news lately, today heatedly denied what he called an old and false charge in the Wall Street Journal that he -- not Robert Novak -- outed Valerie Plame as a CIA operative. In the Journal on Friday, Victoria Toensing, the attorney, wrote in a column, "The first journalist to reveal Ms. Plame was 'covert' was David Corn, on July 16, 2003, two days after Mr. Novak's column. The latter never wrote, because he did not know and it was not so, that...