Brian Ross of ABC News ABC News is coming under heavy criticism for its exclusive report revealing a purported CIA covert operation designed to destabilize the government of Iran. Brian Ross of ABC reported last night: The CIA has received secret presidential approval to mount a covert "black" operation to destabilize the Iranian government, current and former officials in the intelligence community tell the Blotter on ABCNews.com. The sources, who spoke on the condition of anonymity because of the sensitive nature of the subject, say President Bush has signed a "nonlethal presidential finding" that puts into motion a CIA...