L.B.J. operated in an environment in which if he got a couple of committee chairmen to agree he had a deal. Those chairmen didn't have to worry about a Tea Party challenge. About cable news. That model has progressively shifted for each president. It's not a fear-versus-a-nice-guy approach that is the choice. The question is: How do you shape public opinion and frame an issue so that it's hard for the opposition to say no. And these days you don't do that by saying, ‘I'm going to withhold an earmark,' or ‘I'm not going to appoint your brother-in-law to the federal bench.'