text:  They're talking about the possibility that Joe Biden might actually join the Democratic primary race then. They also went into when Obama knew about the server that Hillary was using, her private email server. When Barack Obama told an interviewer that he first learned of Mrs. Clinton's private email server at the same time everybody else learned about it. And again, that's the famous Obama defense that we talk about. The Clinton campaign emailed each other to say that the president was not telling the truth.