 The subpoenas are handed out in the hearing over Bartlet 's concealment of his multiple sclerosis . The special prosecutor , Clement Rollins ( Pryor ) , appears to be both fair and responsible , but C.J. believes the White House will be better served in the public eye if investigated by a partisan agent . She therefore decides — against the strong objections of White House counsel Oliver Babish — to present Rollins as an ally of the administration , thereby forcing Congress to take control over the investigation . Meanwhile Donna , unwittingly , becomes entangled in potential problems over the hearings . Ainsley Hayes sets her up on a date with the Republican House Government Oversight Committee counsel Clifford Calley , but even though the date seems to go well , Calley then leaves her quite abruptly in the middle of the street . Donna later realizes the reason : his congressional committee is the one that will be in charge of the investigation , and a relationship between the two could constitute a conflict of interest . 
