A lobbying research firm presumes to rank every member of Congress in order of presumed clout.
In the Senate, Sen. Mark Pryor of Arkansas ranks 100. That's last, if you didn't know. Sen. Blanche Lincoln is at 86 .
In the House, its Berry at 211, Boozman at 234, Ross at 322 and Snyder at 358 of 437 (counting D.C. delegates).