Antonin Scalia,
California Democratic Party v. Jones…
“ There is simply no substitute for a party's selecting its own candidates.In sum, Proposition 198 forces petitioners to adulterate their candidate-selection process-the "basic function of a political party," ibid.-by opening it up to persons wholly unaffiliated with the party. Such forced association has the likely outcome-indeed, in this case the intended outcome-of changing the parties' message. We can think of no heavier burden on a political party's associational freedom. Proposition 198 is therefore unconstitutional unless it is narrowly tailored to serve a compelling state interest. ”
