revision preference src: Some sources say that McCarl advised Harding on who should fill the position, and that Harding chose McCarl. But other sources say that Senator Norris or Senator Fess pushed McCarl for the position. <SEP> tgt: Some sources say that McCarl advised Harding on who should fill the position, and that Harding chose McCarl. Other sources say that Senator Norris or Senator Fess pushed McCarl for the position.