Complex sentence: On February 1,2006, he was named as the Leader of the Opposition in the Senate, replacing Noël Kinsella, a position he held until being succeeded by Céline Hervieux-Payette on January 18,2007.
Split into simpler sentences: On February 1,2006, he was named as the new Leader of the Opposition in the Senate, replacing Noël Kinsella. He was succeeded by Céline Hervieux-Payette on January 18,2007.