When it comes to collecting cash from registered lobbyists, U.S. Sen. Edward J. Markey is at the head of the line. Records show his nearly $611,000, collected in the past year and a half, tops some big names in D.C., including:House Speaker John Boehner (R-Ohio)$422,000Senate Minority Leader Mitch McConnell(R-Ky.) —$373,000U.S.