Per the Drudge Report, its being reported that the "anonymous source" who told Robert Novak the name of undercover CIA agent Valerie Plame was none other than Bush's Brain, Karl Rove. Not even going into the reasons why Rove would reveal to a journalist top secret info, Rove's actions spell treason. Add to that perjury if he had been questioned by a grand jury investigating who leaked her name. And it gets bigger, especially if more people in the Bush Admin knew and orchestrated a cover up. Bigger than Watergate, really. For those who've followed Rove at all, nobody has a light opinion of him. Either he's a political genius or a diabolical madman using Bush as his puppet. Maybe both.
As for the motivation for leaking such a name, it goes straight to the top of the stack of "Bush lied" bullet points:
At issue is the story of a CIA-sponsored trip taken by former ambassador (and White House critic) Joseph Wilson to investigate reports that Iraq was seeking to buy uranium from the African country of Niger. "Some government officials have noted to Time in interviews... that Wilson's wife, Valerie Plame, is a CIA official who monitors the proliferation of weapons of mass destruction," said Cooper's July 2003 Time online article... The leak to Novak, apparently intended to discredit Wilson's mission, caused a furor when it turned out that Plame was an undercover agent. It is a crime to knowingly reveal the identity of an undercover CIA official.
In short, Rove leaked Wilson's name because he knew that Wilson would return from the trip discounting claims that Iraq was trying to get uranium from Niger, one of the many fabrications the Bush Admin was relying on to gain support for the war with Iraq.
I don't think many journalists or commentators will show much shock that Rove was the leak - they will express surprise that he was actually caught.
On the Bush Admin's side right now is, conveniently, the fact that this story broke on the cusp of a three day weekend while everyone is away from the news.
On the liberal's side right now is, this broke just as Bush needs to pick a new Supreme Court Justice... and this might be the time to appease those calling for a more left leaning moderate on the bench.
take a gander at the I Love Karl Rove blog.