Why don't major political parties have much interest in reforming the presidential
 primary process?
 A Each party sees the national convention as a way to unify and
 strengthen its party.
 B Each party sees the national convention as a way to dominate the
 nomination process.
 C Each party sees the presidential primary process as a way to restrict
 input from party members.
 D Each party sees the presidential primary as a way to maintain the
 power of party bosses.