up to 30%? 45%? 60%? the answer is... up to 60% less. and that's a big reason why the u.s. is a world leader in reducing co2 emissions. take the energy quiz -- round 2. energy lives here. breaking tonight, a meeting ju wrapping up after police object to a protest minutes before an nfl game. five st. louis rams players taking the field last night raising their arms in what's become known as the hands up-don't shoot symbol, a reference to what happened in ferguson, missouri where a police officer was just not indicted after he killed an 18-year-old michael brown. the players saying they wanted