Complex sentence: He became politically active in the late 1960s, supporting Progressive Conservative Party of Canada leader Robert Stanfield in 1968, and he continued to define himself as a Red Tory into the 2000s.
Split into simpler sentences: He became politically active in the late 1960s, supporting Progressive Conservative Party of Canada leader Robert Stanfield in 1968. Starkey continued to define himself as a Red Tory into the 2000s.