Some landmarks in modern presidential-congressional relations / Nelson W. Polsby -- One executive branch or many? / Hugh Heclo -- Congressional liaison : the people and the institutions / Eric L. Davis -- Presidential negotiation with Congress / Charles O. Jones -- The President and his party / Austin Ranney -- Politics through law : congressional limitations on executive discretion / Allen Schick -- The open Congress meets the President / Norman J. Ornstein -- Rhetoric and leadership : a look backward at the Carter National Energy Plan / Michael J. Malbin -- A mile and a half is a long way / Anthony King.