Complex sentence: Prior to 2007, he was a television host at the network's news channel RDI and the correspondent at the National Assembly, and a correspondent for the Canadian House of Commons from 1998 to 2001.
Split into simpler sentences: Prior to 2007, he was a television host at the network's news channel RDI and the correspondent at the National Assembly. He was also a correspondent for the Canadian House of Commons from 1998 to 2001.