There’s more video where that came from, says James O’Keefe, the muckraking activist behind TheProjectVeritas.org. The controversial video-sting impresario tells Newsmax that he’s prepared to release yet more embarrassing revelations about NPR, but first he wants to gauge NPR’s reaction to the bomb he dropped Tuesday.

In an exclusive Newsmax interview, O’Keefe says he’s waiting to see whether NPR comes clean “about what is going on” before he doles out more video.