Associated Press: U.N. climate talks reached a milestone Saturday when more than 190 countries adopted the first accord asking all countries to join the fight against global warming. Here are some of the key elements of the deal: LONG-TERM GOAL: The long-term objective of the agreement is to make sure global warming stays "well below" 2 degrees Celsius (3.6 degrees Fahrenheit) and to "pursue efforts" to limit the temperature rise to 1.5 degrees Celsius (2.7 degrees Fahrenheit). Temperatures have already increased...