Cheyenne, Wy – Wyoming U-S Attorney Matt Mead has resigned his post. Mead says he plans to return to Jackson to work on the family ranch. Mead has been rumored to be in the running to replace Senator Craig Thomas who died this week. Mead did not want to specifically address the seat until after Thomas funeral, but he admitted it is something he and his wife will discuss. He also would not deny that his resignation was connected to the open seat. Mead says he leaves the U-S Attorney job in great shape after several successful prosecutions.