This just in: White House Chief of Staff Andrew Card has just tendered his resignation. He is to be replaced by be replaced by Budget Director, and former Deputy Chief of Staff Josh Bolten.
Expect further shuffling of the deck in the near future. A legion of GOP leaders and pundits have been calling for this for months. It has also been rumored that Card has been quite unhappy in his position, and bucking for the job as head of Treasury.