Elton John and partner David Furnish may have fame, fortune and a loving family, but the 'Rocket Man' singer won't be satisfied until gay couples are granted the same rights as their heterosexual counterparts. Last night at billionaire Ron Burkle's Los Angeles fundraiser to overturn Proposition 8, the new father had some choice words for those who oppose gay marriage, RadarOnline.com reports. "I think I have it all," said the singer, who welcomed son Zachary via surrogate last month. "I have a wonderful career, a wonderful life. I have my health, I have a partner of 17 years, and now...