NCEC website (for future reference):
today NCEC is a vital force in American Politics. NCEC supports progressive candidates who fight for the issues we believe in, like freedom of choice, separation of church and state, gun control, equal rights, and environmental protection.
Some names, like Feinstein and Kennedy, you may already know and support. But many NCEC candidates run campaigns with tight budgets and need every bit of help they can get to beat the Religious Right- dominated Republican Party.
That's a rather broad sweep of the brush about who "dominates" the Republican party.....