It's Ongoing...
Poor Scotty McC--he was turned into a jelly-formed sputtering robot with sparks flying out of his ears with each return to the term "ongoing investigation." Think Progress has the rundown of his most often used phrases during today's press corps gaggle, as well as the whole transcript:

23: Number of times McClellan could’t answer a question because the Rove investigation is “ongoing.” 10: Number of times McClellan couldn’t answer a question because it was “related” to the investigation or in the “context” of the investigation. 16: Number of times McClellan said he just wouldn’t “comment” on a question. 5: Number of times McClellan assured reporters he “appreciates the questions” about Rove’s involvement in the Plame case. 8: Number of times McClellan told reporters he and the president were “helping” the investigation with their silence. 8: Number of times McClellan said he and President Bush want to “get to the bottom of this.” 3: Number of times McClellan said he and the president planned to “cooperate fully” with the investigation by not answering questions. 10: Number of times McClellan claimed he’d already “responded” to a reporter’s question.