On October 20, the North Dakota Supreme Court will hear Recall North Dakota v Jaeger, 2010-0228.  The issue is whether members of Congress may be recalled.  North Dakota is one of the states that permits recall.  The state law has no exception for members of Congress.  However, the Secretary of State refused to furnish petition blanks to a committee that wants to recall U.S. Senator Kent Conrad, a Democrat whose seat is not up until 2012.

The same issue is pending in the New Jersey Supreme Court, with a decision likely to come out at any time.  That case is Committee to Recall Robert Menendez v Wells.  The oral argument was on May 25, 2010.  UPDATE:  see this news story about the oral argument.  It seems to have gone badly for recall proponents.