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Former Sen. Mitchell, U.S. Middle East Envoy, to resign today

A U.S. official confirms that Special Envoy to the Middle East, former Sen. George Mitchell, will announce his resignation today.

The official would not say why he is stepping down, on that the White House will make the announcement later today.

Interestingly, Middle East policy will be in focus next week. The president is expected to make a speech on it and Jordan's King Abdullah and Israeli Prime Minister Benjamin Netanyahu are slated to be meeting with President Obama at the White House.