evidence: Rumor: Campbell Was Allegedly Writing an Obama ‘Tell All’ Twitter accounts started running with the theory that Campbell was in the process of publishing a 'tell all' cookbook at the time of his drowning. A site called "CBKNEWS," which has over 100k followers, tweeted that publishing sources said he was going to "dish some dirt out on the clients he worked for as well as disclose their eating habits." [...] While unconfirmed rumors are swirling that Campbell was in the process of publishing a 'tell all' cookbook, it doesn't seem that far fetched considering Scheib coauthored a cookbook himself called "White House Chef: Eleven Years, Two Presidents, One Kitchen" after leaving the White House.