 In 1988, majority leader Byrd moved a call of the Senate, which was adopted by the majority present, in order to have the Sergeant-at-Arms arrest members not in attendance.One member (Robert Packwood, R-Oregon) was escorted back to the chamber by the Sergeant-at-Arms in order to obtain a quorum.As the longest-serving Democratic senator, Byrd served as President pro tempore four times when his party was in the majority