Larry Donnelly: Could Elvis’s cousin, a Democrat, be Mississippi’s next governor?

 Larry Donnelly: Could Elvis’s cousin, a Democrat, be Mississippi’s next governor?

Our columnist looks at Elvis’ cousin who’s running in Mississippi and could prove to be a dark horse.

IN THE UNITED STATES, Democrats and Republicans alike have historically maintained that they are big tent groupings. This was a general rule in American politics. Massive in both geographic and popul…