Are you thinking of Terry Eagleton?
It was Romney’s dad. The Romneys are traditionally liberal and actively anti-conservative. Romney’s father stormed out of the 1964 Republican convention in protest against Goldwater and conservatism, (Ronald Reagan spoke there).
Mitt Romney dropped his republican registration in protest against President Reagan and his conservatism and Mitt Romney came out against the 1994 conservative, Gingrich led revolution.