Is it self deception or the acknowledgement that times have change? Old age--just what is it and when does it start? Some say it’s not what you would expect. It's not 50. It's not 60. It's 70. Or maybe even 80. That's the word from an AP-LifeGoesStrong.com poll of baby boomers, who are not only not particularly concerned about dying, but also insist they aren't even old. Yet.