by Max Brantley
MapLight is a nonprofit research organization that tracks the influence of money in politics. That's heavy lifting.
Among other number-crunching lists and services, MapLight has sorted the major contributors to each state's members of Congress.
The top 5 in Arkansas: Stephens Inc., $157,300; Walmart, $148,700; Arvest Bank, $111,100; Tyson Foods, $87,280, and Murphy Oil, $83,500.