Complex sentence: Gaglardi ran for the post, losing in a vote of caucus members by 10 to 9 to W. A. C. Bennett; instead of leader, he became a leading member of Bennett's cabinet.
Split into simpler sentences: Gaglardi ran for the post, but lost in a vote of caucus members by 10 to 9 to W. A. C. Bennett. Gagliardi became a leading member of Bennett's cabinet.