Why is this man laughing?

Is Karl Rove taking this "serious investigation" seriously? It sure doesn't seem like it.

From the "All You Need to Know About the Bush Administration" Department, there's this report from NBC's First Read today:

"Staked out at his home earlier this morning, Karl Rove laughed when asked if he would quit his post at the White House."

Tim Grieve is a senior writer and the author of Salon's War Room blog.

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