But our concerns about this have been clear for a long time, and it is part of what we characterize, I think quite candidly, as a complicated relationship, but an important one.

WHITEHOUSE: Press Briefing

But I think many people across the country candidly look at us and say, I don't know if the Democrats are willing to take this on.

WHITEHOUSE: President Obama Takes Questions from Senate Democrats

Ms. TAYLOR: Well, you know, certainly there's very few things that they don't agree on candidly, so I think, you know, running against the nominee is really what matters because people are going to cast their ballot for the nominee, not the vice president.

NPR: Obama Re-Writes History, Clinches Party Nomination

But -- and again, I think that is indicative of a solid relationship in the fact that they are able to speak very candidly back and forth and work very constructively together.

WHITEHOUSE: Press Briefing