Rodney Frelinghuysen

The Keystone pipeline is one of those things that's sort of a political driver. And mostly, the Republicans use it to sort of embarrass the president and embarrass quite a few Democrats who feel that there's a potential for an environmental disaster.

The way you have bipartisan negotiations, you sit down across the table, as we did with Ted Kennedy, as I've done with many other members, and you say, 'OK, here's what I want, here's what you want. We'll adhere to your principles, but we'll make concessions.'