Global Television Network. In this role he was the inaugural host of the network's Sunday morning political talk show The West Block. Global News announced Clark would retire as of January 1, 2017, ending his 40-plus year career in journalism. On January 9, 2017 Clark joined Global Public Affairs, Canada's largest privately owned public affairs firm, as its Chair of Public Affairs and Communications. References Sources GlobalNews.ca biography 1950s births Upper Canada College alumni Year of birth missing (living people) Living people Canadian male journalists Canadian television news anchors Journalists from Toronto Place of birth missing (living people) Carleton University alumni Global Television Network people Canadian political journalists CTV Television Network people 20th-century Canadian journalists 21st-century Canadian journalists