story because shirley sherrod alleges on monday when the story first exploded, cheryl cook called her three times and demanded that she resign and that cheryl cook said it was at the urging of the white house. secretary vilsack and cheryl cook have denied that. we spent the day trying to track her down from here at the agriculture department a few blocks away over at the white house. dan lothian pressed robert gibbs on whether the white house would make cook available. >> i want point you to the usda on that. >> she's the person who supposedly said the white house -- >> if you want to reach the undersecretary or the deputy secretary, call the department of agriculture. >> reporter: you can hear on the overhead intercoms that he's still doing his daily briefing. he tells dan to call the press office. we're working on a story about cheryl cook. i want to see if we can get an interview with her. robertibbs just said in the briefing for the second day in a