Jan 18

McCain hopes to define legacy with national security post

After two unsuccessful presidential bids, the 78-year-old former Navy pilot and Vietnam prisoner of war has rebounded as the chairman of the powerful Senate Armed Services Committee. The post gives the Arizona Republican a significant say on national security -…

Ask any researcher or conservationist how many elephants are in Africa and you will be hard-pressed to get an exact number. But now, in what is being heralded as the largest survey since the 1970s, scientists will try to answer…