Timothy L. O'Brien, Columnist

I've Watched Trump Testify Under Oath. It Isn't Pretty.

In a 2007 deposition in my libel case (which he lost), he was underprepared and overconfident.

Looking forward.

Photographer: Nicholas Kamm/AFP/Getty Images

“There’s been no collusion whatsoever. There’s been no obstruction whatsoever.” —Donald Trump, Jan. 24, 2018

President Donald Trump held an impromptu press briefing in the White House early Wednesday evening, popping into a meeting of reporters and his chief of staff and telling the group that he's "looking forward" to speaking “under oath” with Special Counsel Robert Mueller.