SAN FRANCISCO (Reuters) - California Governor Arnold Schwarzenegger is ready to put his star power to work for President Barack Obama on the environment when his own term ends next year, the former movie actor said on Thursday. Republican Schwarzenegger is arguably the biggest environmentalist in his party and razzed Washington, which is struggling to pass climate change legislation and prepare for international talks, for wrangling with other countries over global warming goals rather than setting an example. "Did we say China, you go first with human rights, and we will follow you? No. We led," he said in an...