Deadline to register to vote in the March 13 Mississippi Republican Primary is Saturday, February 11, 2012 Local Government Deadline to register to vote in the March 13 Mississippi Republican Primary is Saturday, February 11, 2012 Newt Rayburn February 8, 2012 The deadline to register to vote in the March 13 Mississippi Republican Primary is Saturday, February 11,... Read More Read more about Deadline to register to vote in the March 13 Mississippi Republican Primary is Saturday, February 11, 2012